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523425707 = 774775101
BaseRepresentation
bin11111001100101…
…101011110101011
31100110220210002022
4133030231132223
52032444110312
6123534455055
715654021320
oct3714553653
91313823068
10523425707
11249507532
1212736448b
138459786c
144d732b47
1530e44172
hex1f32d7ab

523425707 has 4 divisors (see below), whose sum is σ = 598200816. Its totient is φ = 448650600.

The previous prime is 523425691. The next prime is 523425719. The reversal of 523425707 is 707524325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523425707 - 24 = 523425691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523415707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37387544 + ... + 37387557.

It is an arithmetic number, because the mean of its divisors is an integer number (149550204).

Almost surely, 2523425707 is an apocalyptic number.

523425707 is a deficient number, since it is larger than the sum of its proper divisors (74775109).

523425707 is an equidigital number, since it uses as much as digits as its factorization.

523425707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74775108.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 523425707 is about 22878.4987925344. The cubic root of 523425707 is about 805.9071634787.

The spelling of 523425707 in words is "five hundred twenty-three million, four hundred twenty-five thousand, seven hundred seven".

Divisors: 1 7 74775101 523425707