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142611925 = 5225122727
BaseRepresentation
bin10001000000000…
…01010111010101
3100221100102210011
420200001113111
5243002040200
622052400221
73351116131
oct1040012725
9327312704
10142611925
11735564a5
123b916071
1323713171
1414d243c1
15c7c05ba
hex88015d5

142611925 has 12 divisors (see below), whose sum is σ = 177551136. Its totient is φ = 113630000.

The previous prime is 142611919. The next prime is 142611941. The reversal of 142611925 is 529116241.

It is not a de Polignac number, because 142611925 - 217 = 142480853 is a prime.

It is a super-2 number, since 2×1426119252 = 40676322304411250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 5089 + ... + 17638.

It is an arithmetic number, because the mean of its divisors is an integer number (14795928).

Almost surely, 2142611925 is an apocalyptic number.

It is an amenable number.

142611925 is a deficient number, since it is larger than the sum of its proper divisors (34939211).

142611925 is a wasteful number, since it uses less digits than its factorization.

142611925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22988 (or 22983 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 142611925 is about 11942.0234885048. The cubic root of 142611925 is about 522.4586782337.

The spelling of 142611925 in words is "one hundred forty-two million, six hundred eleven thousand, nine hundred twenty-five".

Divisors: 1 5 25 251 1255 6275 22727 113635 568175 5704477 28522385 142611925