Base | Representation |
---|---|
bin | 10010101110101… |
… | …11000111001010 |
3 | 101221122110122100 |
4 | 21113113013022 |
5 | 310210301142 |
6 | 23331334230 |
7 | 3615326442 |
oct | 1127270712 |
9 | 357573570 |
10 | 157118922 |
11 | 80764854 |
12 | 44751376 |
13 | 2672229c |
14 | 16c1d122 |
15 | dbd8b4c |
hex | 95d71ca |
157118922 has 48 divisors (see below), whose sum is σ = 348571080. Its totient is φ = 51134976.
The previous prime is 157118921. The next prime is 157118959. The reversal of 157118922 is 229811751.
It is a happy number.
157118922 is a `hidden beast` number, since 1 + 571 + 1 + 89 + 2 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 136679481 + 20439441 = 11691^2 + 4521^2 .
It is not an unprimeable number, because it can be changed into a prime (157118921) 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, 142678 + ... + 143774.
Almost surely, 2157118922 is an apocalyptic number.
157118922 is an abundant number, since it is smaller than the sum of its proper divisors (191452158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157118922 is a wasteful number, since it uses less digits than its factorization.
157118922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1287 (or 1284 counting only the distinct ones).
The product of its digits is 10080, while the sum is 36.
The square root of 157118922 is about 12534.7086922672. The cubic root of 157118922 is about 539.6052464750.
The spelling of 157118922 in words is "one hundred fifty-seven million, one hundred eighteen thousand, nine hundred twenty-two".
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