Base | Representation |
---|---|
bin | 10010101110100… |
… | …10100110010111 |
3 | 101221121112021210 |
4 | 21113102212113 |
5 | 310204203224 |
6 | 23331112503 |
7 | 3615221526 |
oct | 1127224627 |
9 | 357545253 |
10 | 157100439 |
11 | 80751981 |
12 | 44742733 |
13 | 26716a52 |
14 | 16c164bd |
15 | dbd3429 |
hex | 95d2997 |
157100439 has 8 divisors (see below), whose sum is σ = 209556720. Its totient is φ = 104688896.
The previous prime is 157100423. The next prime is 157100459. The reversal of 157100439 is 934001751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 157100439 - 24 = 157100423 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157100459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 17825.
It is an arithmetic number, because the mean of its divisors is an integer number (26194590).
Almost surely, 2157100439 is an apocalyptic number.
157100439 is a deficient number, since it is larger than the sum of its proper divisors (52456281).
157100439 is a wasteful number, since it uses less digits than its factorization.
157100439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22369.
The product of its (nonzero) digits is 3780, while the sum is 30.
The square root of 157100439 is about 12533.9713977654. The cubic root of 157100439 is about 539.5840864629.
The spelling of 157100439 in words is "one hundred fifty-seven million, one hundred thousand, four hundred thirty-nine".
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