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825875231 = 2524332717
BaseRepresentation
bin110001001110011…
…101101100011111
32010120000210211112
4301032131230133
53142411001411
6213541212235
726315552336
oct6116355437
92116023745
10825875231
11394204315
121b070107b
1310214258c
147b982d1d
154c788b8b
hex3139db1f

825875231 has 4 divisors (see below), whose sum is σ = 825933192. Its totient is φ = 825817272.

The previous prime is 825875179. The next prime is 825875269. The reversal of 825875231 is 132578528.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 825875231 - 226 = 758766367 is a prime.

It is a super-2 number, since 2×8258752312 = 1364139794358606722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825875131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8885 + ... + 41601.

It is an arithmetic number, because the mean of its divisors is an integer number (206483298).

Almost surely, 2825875231 is an apocalyptic number.

825875231 is a deficient number, since it is larger than the sum of its proper divisors (57961).

825875231 is a wasteful number, since it uses less digits than its factorization.

825875231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57960.

The product of its digits is 134400, while the sum is 41.

The square root of 825875231 is about 28738.0450100559. The cubic root of 825875231 is about 938.2202748257.

The spelling of 825875231 in words is "eight hundred twenty-five million, eight hundred seventy-five thousand, two hundred thirty-one".

Divisors: 1 25243 32717 825875231