Base | Representation |
---|---|
bin | 10010010111100… |
… | …101100100011000 |
3 | 210110212210222210 |
4 | 102113211210120 |
5 | 1112343014310 |
6 | 50325115120 |
7 | 10431266535 |
oct | 2227454430 |
9 | 713783883 |
10 | 308173080 |
11 | 148a56aa6 |
12 | 87258aa0 |
13 | 4baccc47 |
14 | 2ccddd8c |
15 | 1c0c5820 |
hex | 125e5918 |
308173080 has 64 divisors (see below), whose sum is σ = 925862400. Its totient is φ = 82060160.
The previous prime is 308173079. The next prime is 308173109. The reversal of 308173080 is 80371803.
It is a Harshad number since it is a multiple of its sum of digits (30).
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 15 ways as a sum of consecutive naturals, for example, 107911 + ... + 110729.
It is an arithmetic number, because the mean of its divisors is an integer number (14466600).
Almost surely, 2308173080 is an apocalyptic number.
308173080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
308173080 is an abundant number, since it is smaller than the sum of its proper divisors (617689320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308173080 is a wasteful number, since it uses less digits than its factorization.
308173080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3744 (or 3740 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 308173080 is about 17554.8591563704. The cubic root of 308173080 is about 675.4578183585.
The spelling of 308173080 in words is "three hundred eight million, one hundred seventy-three thousand, eighty".
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