Base | Representation |
---|---|
bin | 10010110001110… |
… | …011001010111100 |
3 | 210221210220212022 |
4 | 102301303022330 |
5 | 1121122411130 |
6 | 51132255312 |
7 | 10543556126 |
oct | 2261631274 |
9 | 727726768 |
10 | 315044540 |
11 | 15191a698 |
12 | 89611538 |
13 | 503677b5 |
14 | 2dbac216 |
15 | 1c9d17e5 |
hex | 12c732bc |
315044540 has 24 divisors (see below), whose sum is σ = 661929072. Its totient is φ = 125953920.
The previous prime is 315044507. The next prime is 315044549. The reversal of 315044540 is 45440513.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315044549) 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, 68720 + ... + 73160.
It is an arithmetic number, because the mean of its divisors is an integer number (27580378).
Almost surely, 2315044540 is an apocalyptic number.
It is an amenable number.
315044540 is an abundant number, since it is smaller than the sum of its proper divisors (346884532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315044540 is a wasteful number, since it uses less digits than its factorization.
315044540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7997 (or 7995 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 315044540 is about 17749.4940772970. The cubic root of 315044540 is about 680.4412793181.
The spelling of 315044540 in words is "three hundred fifteen million, forty-four thousand, five hundred forty".
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