Base | Representation |
---|---|
bin | 10010110100111… |
… | …01001100111011 |
3 | 102000011200122100 |
4 | 21122131030323 |
5 | 310412232144 |
6 | 23400554443 |
7 | 3625246122 |
oct | 1132351473 |
9 | 360150570 |
10 | 157930299 |
11 | 8116940a |
12 | 44a82a23 |
13 | 269476a7 |
14 | 16d90ab9 |
15 | dce9269 |
hex | 969d33b |
157930299 has 24 divisors (see below), whose sum is σ = 240640400. Its totient is φ = 99532800.
The previous prime is 157930277. The next prime is 157930307. The reversal of 157930299 is 992039751.
It is a happy number.
It is not a de Polignac number, because 157930299 - 217 = 157799227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157930229) 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, 130899 + ... + 132099.
Almost surely, 2157930299 is an apocalyptic number.
157930299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
157930299 is a deficient number, since it is larger than the sum of its proper divisors (82710101).
157930299 is a wasteful number, since it uses less digits than its factorization.
157930299 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1995 (or 1992 counting only the distinct ones).
The product of its (nonzero) digits is 153090, while the sum is 45.
The square root of 157930299 is about 12567.0322272206. The cubic root of 157930299 is about 540.5325096835.
It can be divided in two parts, 1579 and 30299, that added together give a triangular number (31878 = T252).
The spelling of 157930299 in words is "one hundred fifty-seven million, nine hundred thirty thousand, two hundred ninety-nine".
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