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235873825 = 5211857723
BaseRepresentation
bin11100000111100…
…10011000100001
3121102211122001121
432003302120201
5440340430300
635223332241
75562615535
oct1603623041
9542748047
10235873825
11111165550
1266bb1081
1339b37a15
142347dbc5
1515a9381a
hexe0f2621

235873825 has 12 divisors (see below), whose sum is σ = 319073328. Its totient is φ = 171544400.

The previous prime is 235873789. The next prime is 235873837. The reversal of 235873825 is 528378532.

It is a de Polignac number, because none of the positive numbers 2k-235873825 is a prime.

It is a super-2 number, since 2×2358738252 = 111272922640261250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428587 + ... + 429136.

It is an arithmetic number, because the mean of its divisors is an integer number (26589444).

Almost surely, 2235873825 is an apocalyptic number.

235873825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235873825 is a deficient number, since it is larger than the sum of its proper divisors (83199503).

235873825 is a wasteful number, since it uses less digits than its factorization.

235873825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857744 (or 857739 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 235873825 is about 15358.1843002355. The cubic root of 235873825 is about 617.8645096646.

The spelling of 235873825 in words is "two hundred thirty-five million, eight hundred seventy-three thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 275 857723 4288615 9434953 21443075 47174765 235873825