Base | Representation |
---|---|
bin | 10010110100001… |
… | …00111111000110 |
3 | 101222222122120200 |
4 | 21122010333012 |
5 | 310401043420 |
6 | 23354511330 |
7 | 3624354003 |
oct | 1132047706 |
9 | 358878520 |
10 | 157831110 |
11 | 81100938 |
12 | 44a35546 |
13 | 269114b8 |
14 | 16d668aa |
15 | dcc9b90 |
hex | 9684fc6 |
157831110 has 48 divisors (see below), whose sum is σ = 415999584. Its totient is φ = 41510016.
The previous prime is 157831097. The next prime is 157831117. The reversal of 157831110 is 11138751.
157831110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157831117) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5442 + ... + 18581.
It is an arithmetic number, because the mean of its divisors is an integer number (8666658).
Almost surely, 2157831110 is an apocalyptic number.
157831110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157831110 is an abundant number, since it is smaller than the sum of its proper divisors (258168474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157831110 is a wasteful number, since it uses less digits than its factorization.
157831110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24109 (or 24106 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 27.
The square root of 157831110 is about 12563.0852102499. The cubic root of 157831110 is about 540.4193245047.
Adding to 157831110 its reverse (11138751), we get a palindrome (168969861).
The spelling of 157831110 in words is "one hundred fifty-seven million, eight hundred thirty-one thousand, one hundred ten".
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