Base | Representation |
---|---|
bin | 10010101101110… |
… | …11100001110001 |
3 | 101221102201122201 |
4 | 21112323201301 |
5 | 310143142222 |
6 | 23325103201 |
7 | 3614346154 |
oct | 1126734161 |
9 | 357381581 |
10 | 157005937 |
11 | 80697980 |
12 | 446b7b01 |
13 | 266b2a2a |
14 | 16bcdc9b |
15 | dbb5427 |
hex | 95bb871 |
157005937 has 4 divisors (see below), whose sum is σ = 171279216. Its totient is φ = 142732660.
The previous prime is 157005907. The next prime is 157005983. The reversal of 157005937 is 739500751.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-157005937 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 157005896 and 157005905.
It is not an unprimeable number, because it can be changed into a prime (157005907) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136623 + ... + 7136644.
It is an arithmetic number, because the mean of its divisors is an integer number (42819804).
Almost surely, 2157005937 is an apocalyptic number.
It is an amenable number.
157005937 is a deficient number, since it is larger than the sum of its proper divisors (14273279).
157005937 is a wasteful number, since it uses less digits than its factorization.
157005937 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14273278.
The product of its (nonzero) digits is 33075, while the sum is 37.
The square root of 157005937 is about 12530.2009959936. The cubic root of 157005937 is about 539.4758711844.
The spelling of 157005937 in words is "one hundred fifty-seven million, five thousand, nine hundred thirty-seven".
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