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457905652 = 22229499897
BaseRepresentation
bin11011010010110…
…001010111110100
31011220122000110121
4123102301113310
51414210440102
6113234301324
714230063621
oct3322612764
91156560417
10457905652
11215526326
12109427844
1373b371b9
1444b59348
152a300b37
hex1b4b15f4

457905652 has 12 divisors (see below), whose sum is σ = 804835780. Its totient is φ = 227952576.

The previous prime is 457905647. The next prime is 457905677. The reversal of 457905652 is 256509754.

It can be written as a sum of positive squares in 2 ways, for example, as 392198416 + 65707236 = 19804^2 + 8106^2 .

It is a super-2 number, since 2×4579056522 = 419355172267090208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457905599 and 457905608.

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, 249033 + ... + 250864.

Almost surely, 2457905652 is an apocalyptic number.

It is an amenable number.

457905652 is a deficient number, since it is larger than the sum of its proper divisors (346930128).

457905652 is a wasteful number, since it uses less digits than its factorization.

457905652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500130 (or 500128 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The square root of 457905652 is about 21398.7301492402. The cubic root of 457905652 is about 770.7709442748.

The spelling of 457905652 in words is "four hundred fifty-seven million, nine hundred five thousand, six hundred fifty-two".

Divisors: 1 2 4 229 458 916 499897 999794 1999588 114476413 228952826 457905652