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235570138 = 2745915791
BaseRepresentation
bin11100000101010…
…00001111011010
3121102021012110221
432002220033122
5440301221023
635213030254
75560212256
oct1602501732
9542235427
10235570138
11110a78371
1266a8538a
1339a5c71b
1423401266
1515a3385d
hexe0a83da

235570138 has 8 divisors (see below), whose sum is σ = 353424960. Its totient is φ = 117761820.

The previous prime is 235570109. The next prime is 235570169. The reversal of 235570138 is 831075532.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 7023 + ... + 22813.

It is an arithmetic number, because the mean of its divisors is an integer number (44178120).

Almost surely, 2235570138 is an apocalyptic number.

235570138 is a deficient number, since it is larger than the sum of its proper divisors (117854822).

235570138 is a wasteful number, since it uses less digits than its factorization.

235570138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23252.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 235570138 is about 15348.2943026253. The cubic root of 235570138 is about 617.5992294107.

The spelling of 235570138 in words is "two hundred thirty-five million, five hundred seventy thousand, one hundred thirty-eight".

Divisors: 1 2 7459 14918 15791 31582 117785069 235570138