Base | Representation |
---|---|
bin | 10000111011110… |
… | …01011011010101 |
3 | 100220022010222221 |
4 | 20131321123111 |
5 | 242331231000 |
6 | 22032422341 |
7 | 3343306612 |
oct | 1035713325 |
9 | 326263887 |
10 | 142055125 |
11 | 73206133 |
12 | 3b6a79b1 |
13 | 235798b4 |
14 | 14c1b509 |
15 | c71061a |
hex | 87796d5 |
142055125 has 24 divisors (see below), whose sum is σ = 180877320. Its totient is φ = 111372800.
The previous prime is 142055059. The next prime is 142055131. The reversal of 142055125 is 521550241.
It can be written as a sum of positive squares in 12 ways, for example, as 133656721 + 8398404 = 11561^2 + 2898^2 .
It is not a de Polignac number, because 142055125 - 227 = 7837397 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 142055125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257069 + ... + 1257181.
It is an arithmetic number, because the mean of its divisors is an integer number (7536555).
Almost surely, 2142055125 is an apocalyptic number.
It is an amenable number.
142055125 is a deficient number, since it is larger than the sum of its proper divisors (38822195).
142055125 is an frugal number, since it uses more digits than its factorization.
142055125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330 (or 207 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 142055125 is about 11918.6880569969. The cubic root of 142055125 is about 521.7778459470. Note that the first 3 decimals are identical.
The spelling of 142055125 in words is "one hundred forty-two million, fifty-five thousand, one hundred twenty-five".
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