Base | Representation |
---|---|
bin | 10010010111101… |
… | …001101101100010 |
3 | 210110220200021022 |
4 | 102113221231202 |
5 | 1112344040200 |
6 | 50325325442 |
7 | 10431400160 |
oct | 2227515542 |
9 | 713820238 |
10 | 308190050 |
11 | 148a68823 |
12 | 87266882 |
13 | 4bb0789c |
14 | 2cd06230 |
15 | 1c0ca885 |
hex | 125e9b62 |
308190050 has 24 divisors (see below), whose sum is σ = 655124736. Its totient is φ = 105665040.
The previous prime is 308190023. The next prime is 308190053. The reversal of 308190050 is 50091803.
It is a super-2 number, since 2×3081900502 = 189962213838005000, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (308190053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439922 + ... + 440621.
It is an arithmetic number, because the mean of its divisors is an integer number (27296864).
Almost surely, 2308190050 is an apocalyptic number.
308190050 is an abundant number, since it is smaller than the sum of its proper divisors (346934686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308190050 is a wasteful number, since it uses less digits than its factorization.
308190050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 880562 (or 880557 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 26.
The square root of 308190050 is about 17555.3424916747. The cubic root of 308190050 is about 675.4702164875.
The spelling of 308190050 in words is "three hundred eight million, one hundred ninety thousand, fifty".
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