Base | Representation |
---|---|
bin | 10001000000000… |
… | …01010111010101 |
3 | 100221100102210011 |
4 | 20200001113111 |
5 | 243002040200 |
6 | 22052400221 |
7 | 3351116131 |
oct | 1040012725 |
9 | 327312704 |
10 | 142611925 |
11 | 735564a5 |
12 | 3b916071 |
13 | 23713171 |
14 | 14d243c1 |
15 | c7c05ba |
hex | 88015d5 |
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".
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