Base | Representation |
---|---|
bin | 10010101111110… |
… | …00010110001001 |
3 | 101221220101101002 |
4 | 21113320112021 |
5 | 310224130144 |
6 | 23334304345 |
7 | 3616434350 |
oct | 1127702611 |
9 | 357811332 |
10 | 157255049 |
11 | 80848056 |
12 | 447b80b5 |
13 | 2676c233 |
14 | 16c56997 |
15 | dc1414e |
hex | 95f8589 |
157255049 has 32 divisors (see below), whose sum is σ = 197116416. Its totient is φ = 122388480.
The previous prime is 157255031. The next prime is 157255051. The reversal of 157255049 is 940552751.
It is a happy number.
157255049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 157255049 - 212 = 157250953 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (157255019) 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, 814697 + ... + 814889.
It is an arithmetic number, because the mean of its divisors is an integer number (6159888).
Almost surely, 2157255049 is an apocalyptic number.
It is an amenable number.
157255049 is a deficient number, since it is larger than the sum of its proper divisors (39861367).
157255049 is a wasteful number, since it uses less digits than its factorization.
157255049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425.
The product of its (nonzero) digits is 63000, while the sum is 38.
The square root of 157255049 is about 12540.1375191822. The cubic root of 157255049 is about 539.7610385316.
The spelling of 157255049 in words is "one hundred fifty-seven million, two hundred fifty-five thousand, forty-nine".
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