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454102340 = 225237313523
BaseRepresentation
bin11011000100010…
…000110101000100
31011122110210022012
4123010100311010
51412222233330
6113020553352
714152543346
oct3304206504
91148423265
10454102340
1121336889a
121080b2858
1373105013
1444449296
1529cedc95
hex1b110d44

454102340 has 48 divisors (see below), whose sum is σ = 1008782208. Its totient is φ = 171350784.

The previous prime is 454102303. The next prime is 454102367. The reversal of 454102340 is 43201454.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26819 + ... + 40341.

It is an arithmetic number, because the mean of its divisors is an integer number (21016296).

Almost surely, 2454102340 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 454102340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504391104).

454102340 is an abundant number, since it is smaller than the sum of its proper divisors (554679868).

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

454102340 is a wasteful number, since it uses less digits than its factorization.

454102340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628 (or 13626 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 454102340 is about 21309.6771444337. The cubic root of 454102340 is about 768.6310302157.

Adding to 454102340 its reverse (43201454), we get a palindrome (497303794).

The spelling of 454102340 in words is "four hundred fifty-four million, one hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 73 92 115 146 230 292 365 460 730 1460 1679 3358 6716 8395 13523 16790 27046 33580 54092 67615 135230 270460 311029 622058 987179 1244116 1555145 1974358 3110290 3948716 4935895 6220580 9871790 19743580 22705117 45410234 90820468 113525585 227051170 454102340