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523125245 = 5104625049
BaseRepresentation
bin11111001011100…
…100000111111101
31100110100111221002
4133023210013331
52032410001440
6123524220045
715651330326
oct3713440775
91313314832
10523125245
11249321815
1212723a625
13844c0b86
144d69544d
1530dd5115
hex1f2e41fd

523125245 has 4 divisors (see below), whose sum is σ = 627750300. Its totient is φ = 418500192.

The previous prime is 523125221. The next prime is 523125257. The reversal of 523125245 is 542521325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 272283001 + 250842244 = 16501^2 + 15838^2 .

It is a cyclic number.

It is not a de Polignac number, because 523125245 - 228 = 254689789 is a prime.

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, 52312520 + ... + 52312529.

It is an arithmetic number, because the mean of its divisors is an integer number (156937575).

Almost surely, 2523125245 is an apocalyptic number.

It is an amenable number.

523125245 is a deficient number, since it is larger than the sum of its proper divisors (104625055).

523125245 is a wasteful number, since it uses less digits than its factorization.

523125245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104625054.

The product of its digits is 12000, while the sum is 29.

The square root of 523125245 is about 22871.9313788757. The cubic root of 523125245 is about 805.7529290303.

The spelling of 523125245 in words is "five hundred twenty-three million, one hundred twenty-five thousand, two hundred forty-five".

Divisors: 1 5 104625049 523125245