Base | Representation |
---|---|
bin | 10010110101010… |
… | …11100011011011 |
3 | 102000021200021112 |
4 | 21122223203123 |
5 | 310421122313 |
6 | 23402130535 |
7 | 3625612400 |
oct | 1132534333 |
9 | 360250245 |
10 | 157989083 |
11 | 811a959a |
12 | 44ab0a4b |
13 | 26968385 |
14 | 16da82a7 |
15 | dd0b8a8 |
hex | 96ab8db |
157989083 has 6 divisors (see below), whose sum is σ = 183783276. Its totient is φ = 135419172.
The previous prime is 157989061. The next prime is 157989101. The reversal of 157989083 is 380989751.
It is not a de Polignac number, because 157989083 - 214 = 157972699 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157989023) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1612085 + ... + 1612182.
It is an arithmetic number, because the mean of its divisors is an integer number (30630546).
Almost surely, 2157989083 is an apocalyptic number.
157989083 is a deficient number, since it is larger than the sum of its proper divisors (25794193).
157989083 is an equidigital number, since it uses as much as digits as its factorization.
157989083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3224281 (or 3224274 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 50.
The square root of 157989083 is about 12569.3708275315. The cubic root of 157989083 is about 540.5995661039.
The spelling of 157989083 in words is "one hundred fifty-seven million, nine hundred eighty-nine thousand, eighty-three".
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