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523261025 = 5272990063
BaseRepresentation
bin11111001100000…
…101010001100001
31100110121102011222
4133030011101201
52032423323100
6123531144425
715652434230
oct3714052141
91313542158
10523261025
11249404831
121272a5115
138453a911
144d6ccb17
1530e10485
hex1f305461

523261025 has 12 divisors (see below), whose sum is σ = 741535872. Its totient is φ = 358807440.

The previous prime is 523261009. The next prime is 523261043. The reversal of 523261025 is 520162325.

It is not a de Polignac number, because 523261025 - 24 = 523261009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523260985 and 523261003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1494857 + ... + 1495206.

It is an arithmetic number, because the mean of its divisors is an integer number (61794656).

Almost surely, 2523261025 is an apocalyptic number.

It is an amenable number.

523261025 is a deficient number, since it is larger than the sum of its proper divisors (218274847).

523261025 is a wasteful number, since it uses less digits than its factorization.

523261025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990080 (or 2990075 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 523261025 is about 22874.8994533309. The cubic root of 523261025 is about 805.8226355168.

The spelling of 523261025 in words is "five hundred twenty-three million, two hundred sixty-one thousand, twenty-five".

Divisors: 1 5 7 25 35 175 2990063 14950315 20930441 74751575 104652205 523261025