Base | Representation |
---|---|
bin | 10010100011000… |
… | …110001000111010 |
3 | 210200120002112022 |
4 | 102203012020322 |
5 | 1114131040244 |
6 | 50513514442 |
7 | 10466033456 |
oct | 2243061072 |
9 | 720502468 |
10 | 311190074 |
11 | 14a727788 |
12 | 88272a22 |
13 | 4c618250 |
14 | 2d487666 |
15 | 1c4be6ee |
hex | 128c623a |
311190074 has 16 divisors (see below), whose sum is σ = 508751712. Its totient is φ = 141894768.
The previous prime is 311190073. The next prime is 311190079. The reversal of 311190074 is 470091113.
It is a super-2 number, since 2×3111900742 = 193678524312250952, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (311190071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69944 + ... + 74259.
It is an arithmetic number, because the mean of its divisors is an integer number (31796982).
Almost surely, 2311190074 is an apocalyptic number.
311190074 is a deficient number, since it is larger than the sum of its proper divisors (197561638).
311190074 is a wasteful number, since it uses less digits than its factorization.
311190074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144301.
The product of its (nonzero) digits is 756, while the sum is 26.
The square root of 311190074 is about 17640.5803192525. The cubic root of 311190074 is about 677.6548932124.
The spelling of 311190074 in words is "three hundred eleven million, one hundred ninety thousand, seventy-four".
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