Base | Representation |
---|---|
bin | 10010110101000… |
… | …10111110111100 |
3 | 102000012220010102 |
4 | 21122202332330 |
5 | 310414011410 |
6 | 23401300232 |
7 | 3625405142 |
oct | 1132427674 |
9 | 360186112 |
10 | 157953980 |
11 | 81185188 |
12 | 44a94678 |
13 | 269553c2 |
14 | 16d99592 |
15 | dd012a5 |
hex | 96a2fbc |
157953980 has 24 divisors (see below), whose sum is σ = 335703312. Its totient is φ = 62419712.
The previous prime is 157953947. The next prime is 157953989. The reversal of 157953980 is 89359751.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157953989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45917 + ... + 49236.
It is an arithmetic number, because the mean of its divisors is an integer number (13987638).
Almost surely, 2157953980 is an apocalyptic number.
157953980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
157953980 is an abundant number, since it is smaller than the sum of its proper divisors (177749332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157953980 is a wasteful number, since it uses less digits than its factorization.
157953980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95245 (or 95243 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 47.
The square root of 157953980 is about 12567.9743793501. The cubic root of 157953980 is about 540.5595252102.
The spelling of 157953980 in words is "one hundred fifty-seven million, nine hundred fifty-three thousand, nine hundred eighty".
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