Base | Representation |
---|---|
bin | 10010110100101… |
… | …11010111111110 |
3 | 102000010110220022 |
4 | 21122113113332 |
5 | 310411001210 |
6 | 23400252142 |
7 | 3625116413 |
oct | 1132272776 |
9 | 360113808 |
10 | 157906430 |
11 | 81152490 |
12 | 44a71052 |
13 | 26939876 |
14 | 16d8610a |
15 | dce2155 |
hex | 96975fe |
157906430 has 64 divisors (see below), whose sum is σ = 319640256. Its totient is φ = 55680000.
The previous prime is 157906429. The next prime is 157906439. The reversal of 157906430 is 34609751.
Together with 161733825 it forms a betrothed pair.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157906439) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677594 + ... + 677826.
It is an arithmetic number, because the mean of its divisors is an integer number (4994379).
Almost surely, 2157906430 is an apocalyptic number.
157906430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157906430 is an abundant number, since it is smaller than the sum of its proper divisors (161733826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157906430 is a wasteful number, since it uses less digits than its factorization.
157906430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413.
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 157906430 is about 12566.0825240009. The cubic root of 157906430 is about 540.5052769516.
The spelling of 157906430 in words is "one hundred fifty-seven million, nine hundred six thousand, four hundred thirty".
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