Base | Representation |
---|---|
bin | 10010101101110… |
… | …10010011000011 |
3 | 101221102110202010 |
4 | 21112322103003 |
5 | 310143012044 |
6 | 23325024003 |
7 | 3614325366 |
oct | 1126722303 |
9 | 357373663 |
10 | 157000899 |
11 | 80694110 |
12 | 446b5003 |
13 | 266b0653 |
14 | 16bcc0dd |
15 | dbb3bb9 |
hex | 95ba4c3 |
157000899 has 32 divisors (see below), whose sum is σ = 245465856. Its totient is φ = 88197120.
The previous prime is 157000897. The next prime is 157000927. The reversal of 157000899 is 998000751.
It is a happy number.
157000899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 125302-1.
It is not a de Polignac number, because 157000899 - 21 = 157000897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (157000897) 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, 35499 + ... + 39675.
It is an arithmetic number, because the mean of its divisors is an integer number (7670808).
Almost surely, 2157000899 is an apocalyptic number.
157000899 is a deficient number, since it is larger than the sum of its proper divisors (88464957).
157000899 is a wasteful number, since it uses less digits than its factorization.
157000899 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4275.
The product of its (nonzero) digits is 22680, while the sum is 39.
The square root of 157000899 is about 12529.9999600958. Note that the first 4 decimals coincide. The cubic root of 157000899 is about 539.4701008962.
The spelling of 157000899 in words is "one hundred fifty-seven million, eight hundred ninety-nine", and thus it is an aban number.
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