Base | Representation |
---|---|
bin | 10010110010101… |
… | …10000110010110 |
3 | 101222121220010210 |
4 | 21121112012112 |
5 | 310323422222 |
6 | 23350430250 |
7 | 3622624050 |
oct | 1131260626 |
9 | 358556123 |
10 | 157639062 |
11 | 80a8a619 |
12 | 44962386 |
13 | 26874c69 |
14 | 16d168d0 |
15 | dc8cd0c |
hex | 9656196 |
157639062 has 32 divisors (see below), whose sum is σ = 381514752. Its totient is φ = 42390144.
The previous prime is 157639057. The next prime is 157639073. The reversal of 157639062 is 260936751.
It is a self number, because there is not a number n which added to its sum of digits gives 157639062.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 109678 + ... + 111105.
It is an arithmetic number, because the mean of its divisors is an integer number (11922336).
Almost surely, 2157639062 is an apocalyptic number.
157639062 is an abundant number, since it is smaller than the sum of its proper divisors (223875690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157639062 is a wasteful number, since it uses less digits than its factorization.
157639062 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220812.
The product of its (nonzero) digits is 68040, while the sum is 39.
The square root of 157639062 is about 12555.4395383037. The cubic root of 157639062 is about 540.2000424834.
The spelling of 157639062 in words is "one hundred fifty-seven million, six hundred thirty-nine thousand, sixty-two".
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