Base | Representation |
---|---|
bin | 10010110011110… |
… | …11101100111101 |
3 | 101222220201102100 |
4 | 21121323230331 |
5 | 310343334320 |
6 | 23354015313 |
7 | 3624135102 |
oct | 1131735475 |
9 | 358821370 |
10 | 157793085 |
11 | 8108530a |
12 | 44a17539 |
13 | 268ca0b8 |
14 | 16d56aa9 |
15 | dcbd790 |
hex | 967bb3d |
157793085 has 24 divisors (see below), whose sum is σ = 275033304. Its totient is φ = 83687040.
The previous prime is 157793059. The next prime is 157793143. The reversal of 157793085 is 580397751.
It can be written as a sum of positive squares in 4 ways, for example, as 2566404 + 155226681 = 1602^2 + 12459^2 .
It is not a de Polignac number, because 157793085 - 28 = 157792829 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 157793085.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1542 + ... + 17831.
It is an arithmetic number, because the mean of its divisors is an integer number (11459721).
Almost surely, 2157793085 is an apocalyptic number.
157793085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
157793085 is a deficient number, since it is larger than the sum of its proper divisors (117240219).
157793085 is a wasteful number, since it uses less digits than its factorization.
157793085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19565 (or 19562 counting only the distinct ones).
The product of its (nonzero) digits is 264600, while the sum is 45.
The square root of 157793085 is about 12561.5717567508. The cubic root of 157793085 is about 540.3759213689.
The spelling of 157793085 in words is "one hundred fifty-seven million, seven hundred ninety-three thousand, eighty-five".
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