Base | Representation |
---|---|
bin | 10010111100000… |
… | …11010100100110 |
3 | 102001221120121101 |
4 | 21132003110212 |
5 | 311132412440 |
6 | 23433110314 |
7 | 3636253132 |
oct | 1136032446 |
9 | 361846541 |
10 | 158872870 |
11 | 817525a2 |
12 | 4525839a |
13 | 26bb7720 |
14 | 171583c2 |
15 | de3369a |
hex | 9783526 |
158872870 has 64 divisors (see below), whose sum is σ = 327317760. Its totient is φ = 55036800.
The previous prime is 158872867. The next prime is 158872897. The reversal of 158872870 is 78278851.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 158872870.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323325 + ... + 323815.
It is an arithmetic number, because the mean of its divisors is an integer number (5114340).
Almost surely, 2158872870 is an apocalyptic number.
158872870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
158872870 is an abundant number, since it is smaller than the sum of its proper divisors (168444890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158872870 is a wasteful number, since it uses less digits than its factorization.
158872870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 661.
The product of its (nonzero) digits is 250880, while the sum is 46.
The square root of 158872870 is about 12604.4781724592. The cubic root of 158872870 is about 541.6057257936.
The spelling of 158872870 in words is "one hundred fifty-eight million, eight hundred seventy-two thousand, eight hundred seventy".
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