Base | Representation |
---|---|
bin | 1111001001100… |
… | …01010000000100 |
3 | 22212010022012111 |
4 | 13210301100010 |
5 | 230013020203 |
6 | 20335430404 |
7 | 3102104650 |
oct | 744612004 |
9 | 285108174 |
10 | 127079428 |
11 | 65807723 |
12 | 36685404 |
13 | 20435338 |
14 | 12c3da60 |
15 | b25326d |
hex | 7931404 |
127079428 has 24 divisors (see below), whose sum is σ = 255281600. Its totient is φ = 54222048.
The previous prime is 127079417. The next prime is 127079431. The reversal of 127079428 is 824970721.
It is a super-2 number, since 2×1270794282 = 32298362041614368, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3498 + ... + 16321.
Almost surely, 2127079428 is an apocalyptic number.
It is an amenable number.
127079428 is an abundant number, since it is smaller than the sum of its proper divisors (128202172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127079428 is a wasteful number, since it uses less digits than its factorization.
127079428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20059 (or 20057 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 40.
The square root of 127079428 is about 11272.9511663983. The cubic root of 127079428 is about 502.7573369014.
The spelling of 127079428 in words is "one hundred twenty-seven million, seventy-nine thousand, four hundred twenty-eight".
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