Base | Representation |
---|---|
bin | 10010101110001… |
… | …10011110110101 |
3 | 101221112000012111 |
4 | 21113012132311 |
5 | 310201111210 |
6 | 23330051021 |
7 | 3614624032 |
oct | 1127063665 |
9 | 357460174 |
10 | 157050805 |
11 | 8071865a |
12 | 44719a71 |
13 | 266ca292 |
14 | 16c02389 |
15 | dbc388a |
hex | 95c67b5 |
157050805 has 16 divisors (see below), whose sum is σ = 201254400. Its totient is φ = 117391680.
The previous prime is 157050781. The next prime is 157050833. The reversal of 157050805 is 508050751.
It is not a de Polignac number, because 157050805 - 29 = 157050293 is a prime.
It is a super-2 number, since 2×1570508052 = 49329910702296050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12975 + ... + 21964.
It is an arithmetic number, because the mean of its divisors is an integer number (12578400).
Almost surely, 2157050805 is an apocalyptic number.
It is an amenable number.
157050805 is a deficient number, since it is larger than the sum of its proper divisors (44203595).
157050805 is a wasteful number, since it uses less digits than its factorization.
157050805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35004.
The product of its (nonzero) digits is 7000, while the sum is 31.
The square root of 157050805 is about 12531.9912623653. The cubic root of 157050805 is about 539.5272554367.
The spelling of 157050805 in words is "one hundred fifty-seven million, fifty thousand, eight hundred five".
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