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457042625 = 531319113131
BaseRepresentation
bin11011001111011…
…110101011000001
31011212000011121122
4123033132223001
51414000331000
6113204002025
714216540534
oct3317365301
91155004548
10457042625
11214a96986
12109090315
13738c4430
14449b2a1b
152a1d0085
hex1b3deac1

457042625 has 64 divisors (see below), whose sum is σ = 657296640. Its totient is φ = 314496000.

The previous prime is 457042609. The next prime is 457042633. The reversal of 457042625 is 526240754.

It is not a de Polignac number, because 457042625 - 24 = 457042609 is a prime.

It is a super-2 number, since 2×4570426252 = 417775922133781250, which contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3488810 + ... + 3488940.

It is an arithmetic number, because the mean of its divisors is an integer number (10270260).

Almost surely, 2457042625 is an apocalyptic number.

It is an amenable number.

457042625 is a deficient number, since it is larger than the sum of its proper divisors (200254015).

457042625 is a wasteful number, since it uses less digits than its factorization.

457042625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 457042625 is about 21378.5552598860. Note that the first 3 decimals coincide. The cubic root of 457042625 is about 770.2864088869.

The spelling of 457042625 in words is "four hundred fifty-seven million, forty-two thousand, six hundred twenty-five".

Divisors: 1 5 13 19 25 65 95 113 125 131 247 325 475 565 655 1235 1469 1625 1703 2147 2375 2489 2825 3275 6175 7345 8515 10735 12445 14125 14803 16375 27911 30875 32357 36725 42575 53675 62225 74015 139555 161785 183625 192439 212875 268375 281257 311125 370075 697775 808925 962195 1406285 1850375 3488875 3656341 4044625 4810975 7031425 18281705 24054875 35157125 91408525 457042625