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457408525 = 5272613763
BaseRepresentation
bin11011010000111…
…000000000001101
31011212200202112111
4123100320000031
51414044033100
6113215504021
714222623360
oct3320700015
91155622474
10457408525
11215216882
12109228011
13739c1b42
1444a6a0d7
152a2536ba
hex1b43800d

457408525 has 12 divisors (see below), whose sum is σ = 648213472. Its totient is φ = 313651440.

The previous prime is 457408517. The next prime is 457408529. The reversal of 457408525 is 525804754.

It is not a de Polignac number, because 457408525 - 23 = 457408517 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457408529) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1306707 + ... + 1307056.

Almost surely, 2457408525 is an apocalyptic number.

It is an amenable number.

457408525 is a deficient number, since it is larger than the sum of its proper divisors (190804947).

457408525 is a wasteful number, since it uses less digits than its factorization.

457408525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613780 (or 2613775 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 457408525 is about 21387.1111887510. Note that the first 4 decimals coincide. The cubic root of 457408525 is about 770.4919131447.

The spelling of 457408525 in words is "four hundred fifty-seven million, four hundred eight thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 175 2613763 13068815 18296341 65344075 91481705 457408525