Base | Representation |
---|---|
bin | 10010110100111… |
… | …01010001111111 |
3 | 102000011201002100 |
4 | 21122131101333 |
5 | 310412234443 |
6 | 23401000143 |
7 | 3625250064 |
oct | 1132352177 |
9 | 360151070 |
10 | 157930623 |
11 | 81169684 |
12 | 44a83053 |
13 | 26947896 |
14 | 16d90c6b |
15 | dce93d3 |
hex | 969d47f |
157930623 has 6 divisors (see below), whose sum is σ = 228122024. Its totient is φ = 105287076.
The previous prime is 157930601. The next prime is 157930631. The reversal of 157930623 is 326039751.
It is not a de Polignac number, because 157930623 - 210 = 157929599 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157930693) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8773915 + ... + 8773932.
Almost surely, 2157930623 is an apocalyptic number.
157930623 is a deficient number, since it is larger than the sum of its proper divisors (70191401).
157930623 is a wasteful number, since it uses less digits than its factorization.
157930623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17547853 (or 17547850 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 36.
The square root of 157930623 is about 12567.0451180856. The cubic root of 157930623 is about 540.5328793243.
The spelling of 157930623 in words is "one hundred fifty-seven million, nine hundred thirty thousand, six hundred twenty-three".
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