Base | Representation |
---|---|
bin | 111011110110… |
… | …0111011001110 |
3 | 2012001020002202 |
4 | 1313230323032 |
5 | 31013113100 |
6 | 3040321502 |
7 | 530501255 |
oct | 167547316 |
9 | 65036082 |
10 | 31379150 |
11 | 16792690 |
12 | a613292 |
13 | 666895a |
14 | 424b79c |
15 | 2b4c7d5 |
hex | 1decece |
31379150 has 48 divisors (see below), whose sum is σ = 64817280. Its totient is φ = 11205600.
The previous prime is 31379143. The next prime is 31379167. The reversal of 31379150 is 5197313.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31967 + ... + 32933.
It is an arithmetic number, because the mean of its divisors is an integer number (1350360).
Almost surely, 231379150 is an apocalyptic number.
31379150 is an abundant number, since it is smaller than the sum of its proper divisors (33438130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31379150 is a wasteful number, since it uses less digits than its factorization.
31379150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1049 (or 1044 counting only the distinct ones).
The product of its (nonzero) digits is 2835, while the sum is 29.
The square root of 31379150 is about 5601.7095604824. The cubic root of 31379150 is about 315.4135828882.
The spelling of 31379150 in words is "thirty-one million, three hundred seventy-nine thousand, one hundred fifty".
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