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457038740 = 22522851937
BaseRepresentation
bin11011001111011…
…101101110010100
31011211222222021202
4123033131232110
51414000214430
6113203532032
714216523314
oct3317355624
91154888252
10457038740
11214a93a74
1210908a018
13738c2732
14449b1444
152a1cdd45
hex1b3ddb94

457038740 has 12 divisors (see below), whose sum is σ = 959781396. Its totient is φ = 182815488.

The previous prime is 457038737. The next prime is 457038781. The reversal of 457038740 is 47830754.

It can be written as a sum of positive squares in 2 ways, for example, as 65869456 + 391169284 = 8116^2 + 19778^2 .

It is a junction number, because it is equal to n+sod(n) for n = 457038694 and 457038703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11425949 + ... + 11425988.

It is an arithmetic number, because the mean of its divisors is an integer number (79981783).

Almost surely, 2457038740 is an apocalyptic number.

It is an amenable number.

457038740 is an abundant number, since it is smaller than the sum of its proper divisors (502742656).

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

457038740 is a wasteful number, since it uses less digits than its factorization.

457038740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22851946 (or 22851944 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 457038740 is about 21378.4643976128. The cubic root of 457038740 is about 770.2842263252.

The spelling of 457038740 in words is "four hundred fifty-seven million, thirty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 22851937 45703874 91407748 114259685 228519370 457038740