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457480640 = 26531107431
BaseRepresentation
bin11011010001001…
…001100111000000
31011212211102110102
4123101021213000
51414103340030
6113221221532
714223343541
oct3321114700
91155742412
10457480640
11215265a81
121092618a8
1373a18906
1444a884c8
152a269c45
hex1b4499c0

457480640 has 112 divisors (see below), whose sum is σ = 1137659904. Its totient is φ = 175027200.

The previous prime is 457480633. The next prime is 457480669. The reversal of 457480640 is 46084754.

It is a junction number, because it is equal to n+sod(n) for n = 457480594 and 457480603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061225 + ... + 1061655.

Almost surely, 2457480640 is an apocalyptic number.

457480640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457480640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568829952).

457480640 is an abundant number, since it is smaller than the sum of its proper divisors (680179264).

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

457480640 is a wasteful number, since it uses less digits than its factorization.

457480640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 457480640 is about 21388.7970676240. The cubic root of 457480640 is about 770.5324029195.

The spelling of 457480640 in words is "four hundred fifty-seven million, four hundred eighty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 107 124 155 160 214 248 310 320 428 431 496 535 620 856 862 992 1070 1240 1712 1724 1984 2140 2155 2480 3317 3424 3448 4280 4310 4960 6634 6848 6896 8560 8620 9920 13268 13361 13792 16585 17120 17240 26536 26722 27584 33170 34240 34480 46117 53072 53444 66340 66805 68960 92234 106144 106888 132680 133610 137920 184468 212288 213776 230585 265360 267220 368936 427552 461170 530720 534440 737872 855104 922340 1061440 1068880 1429627 1475744 1844680 2137760 2859254 2951488 3689360 4275520 5718508 7148135 7378720 11437016 14296270 14757440 22874032 28592540 45748064 57185080 91496128 114370160 228740320 457480640