Base | Representation |
---|---|
bin | 10000111110001… |
… | …11001101011101 |
3 | 100220220100000221 |
4 | 20133013031131 |
5 | 242421424400 |
6 | 22043321341 |
7 | 3346104514 |
oct | 1037071535 |
9 | 326810027 |
10 | 142373725 |
11 | 7340353a |
12 | 3b820251 |
13 | 2365b910 |
14 | 14ca167b |
15 | c774c1a |
hex | 87c735d |
142373725 has 48 divisors (see below), whose sum is σ = 204643152. Its totient is φ = 97320960.
The previous prime is 142373717. The next prime is 142373747. The reversal of 142373725 is 527373241.
It can be written as a sum of positive squares in 24 ways, for example, as 99261369 + 43112356 = 9963^2 + 6566^2 .
It is not a de Polignac number, because 142373725 - 23 = 142373717 is a prime.
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 47 ways as a sum of consecutive naturals, for example, 403149 + ... + 403501.
It is an arithmetic number, because the mean of its divisors is an integer number (4263399).
Almost surely, 2142373725 is an apocalyptic number.
It is an amenable number.
142373725 is a deficient number, since it is larger than the sum of its proper divisors (62269427).
142373725 is a wasteful number, since it uses less digits than its factorization.
142373725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466 (or 461 counting only the distinct ones).
The product of its digits is 35280, while the sum is 34.
The square root of 142373725 is about 11932.0461363506. The cubic root of 142373725 is about 522.1676342938.
The spelling of 142373725 in words is "one hundred forty-two million, three hundred seventy-three thousand, seven hundred twenty-five".
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