Base | Representation |
---|---|
bin | 10010101010101… |
… | …001011000010110 |
3 | 210211021122200210 |
4 | 102222221120112 |
5 | 1120132410210 |
6 | 51024150250 |
7 | 10521616260 |
oct | 2252513026 |
9 | 724248623 |
10 | 313169430 |
11 | 150859912 |
12 | 88a68386 |
13 | 4cb5c172 |
14 | 2d840b30 |
15 | 1c760e20 |
hex | 12aa9616 |
313169430 has 128 divisors (see below), whose sum is σ = 892108800. Its totient is φ = 68874624.
The previous prime is 313169407. The next prime is 313169431. The reversal of 313169430 is 34961313.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313169431) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 713151 + ... + 713589.
It is an arithmetic number, because the mean of its divisors is an integer number (6969600).
Almost surely, 2313169430 is an apocalyptic number.
313169430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 313169430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446054400).
313169430 is an abundant number, since it is smaller than the sum of its proper divisors (578939370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313169430 is a wasteful number, since it uses less digits than its factorization.
313169430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578.
The product of its (nonzero) digits is 5832, while the sum is 30.
The square root of 313169430 is about 17696.5937400394. The cubic root of 313169430 is about 679.0886219093.
The spelling of 313169430 in words is "three hundred thirteen million, one hundred sixty-nine thousand, four hundred thirty".
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