Base | Representation |
---|---|
bin | 10010100010100… |
… | …100111100110010 |
3 | 210200022012001100 |
4 | 102202210330302 |
5 | 1114112213010 |
6 | 50510545230 |
7 | 10464626232 |
oct | 2242447462 |
9 | 720265040 |
10 | 311054130 |
11 | 14a644632 |
12 | 88208216 |
13 | 4c59b3ca |
14 | 2d44dcc2 |
15 | 1c4942c0 |
hex | 128a4f32 |
311054130 has 48 divisors (see below), whose sum is σ = 851310720. Its totient is φ = 78581664.
The previous prime is 311054123. The next prime is 311054141. The reversal of 311054130 is 31450113.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 23 ways as a sum of consecutive naturals, for example, 89242 + ... + 92661.
It is an arithmetic number, because the mean of its divisors is an integer number (17735640).
Almost surely, 2311054130 is an apocalyptic number.
311054130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
311054130 is an abundant number, since it is smaller than the sum of its proper divisors (540256590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
311054130 is a wasteful number, since it uses less digits than its factorization.
311054130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181935 (or 181932 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 311054130 is about 17636.7267371244. The cubic root of 311054130 is about 677.5562005457.
The spelling of 311054130 in words is "three hundred eleven million, fifty-four thousand, one hundred thirty".
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