Base | Representation |
---|---|
bin | 10010110100111… |
… | …11011000000001 |
3 | 102000012010212001 |
4 | 21122133120001 |
5 | 310413023301 |
6 | 23401104001 |
7 | 3625314100 |
oct | 1132373001 |
9 | 360163761 |
10 | 157939201 |
11 | 81175072 |
12 | 44a88001 |
13 | 2694b764 |
14 | 16d94037 |
15 | dcebc01 |
hex | 969f601 |
157939201 has 12 divisors (see below), whose sum is σ = 184106352. Its totient is φ = 135095688.
The previous prime is 157939189. The next prime is 157939207. The reversal of 157939201 is 102939751.
It is not a de Polignac number, because 157939201 - 27 = 157939073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157939207) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 22546 + ... + 28708.
It is an arithmetic number, because the mean of its divisors is an integer number (15342196).
Almost surely, 2157939201 is an apocalyptic number.
It is an amenable number.
157939201 is a deficient number, since it is larger than the sum of its proper divisors (26167151).
157939201 is an equidigital number, since it uses as much as digits as its factorization.
157939201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6700 (or 6693 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 37.
The square root of 157939201 is about 12567.3864029081. The cubic root of 157939201 is about 540.5426654928.
The spelling of 157939201 in words is "one hundred fifty-seven million, nine hundred thirty-nine thousand, two hundred one".
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