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469494144 = 273476469
BaseRepresentation
bin11011111110111…
…110100110000000
31012201102202220000
4123332332212000
51430142303034
6114330520000
714430430410
oct3376764600
91181382800
10469494144
11221020999
12111296000
1376363ab2
14464d4640
152b33e599
hex1bfbe980

469494144 has 160 divisors (see below), whose sum is σ = 1597054800. Its totient is φ = 134120448.

The previous prime is 469494131. The next prime is 469494149. The reversal of 469494144 is 441494964.

469494144 is a `hidden beast` number, since 469 + 49 + 4 + 144 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 469494144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469494149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69342 + ... + 75810.

Almost surely, 2469494144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469494144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798527400).

469494144 is an abundant number, since it is smaller than the sum of its proper divisors (1127560656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

469494144 is an equidigital number, since it uses as much as digits as its factorization.

469494144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502 (or 6481 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 469494144 is about 21667.8135491332. The cubic root of 469494144 is about 777.2189719896.

The spelling of 469494144 in words is "four hundred sixty-nine million, four hundred ninety-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 252 288 324 336 378 384 432 448 504 567 576 648 672 756 864 896 1008 1134 1152 1296 1344 1512 1728 2016 2268 2592 2688 3024 3456 4032 4536 5184 6048 6469 8064 9072 10368 12096 12938 18144 19407 24192 25876 36288 38814 45283 51752 58221 72576 77628 90566 103504 116442 135849 155256 174663 181132 207008 232884 271698 310512 349326 362264 407547 414016 465768 523989 543396 621024 698652 724528 815094 828032 931536 1047978 1086792 1222641 1242048 1397304 1449056 1630188 1863072 2095956 2173584 2445282 2484096 2794608 2898112 3260376 3667923 3726144 4191912 4347168 4890564 5589216 5796224 6520752 7335846 7452288 8383824 8694336 9781128 11178432 13041504 14671692 16767648 17388672 19562256 22356864 26083008 29343384 33535296 39124512 52166016 58686768 67070592 78249024 117373536 156498048 234747072 469494144