Base | Representation |
---|---|
bin | 111011001001… |
… | …0111000111100 |
3 | 2011100111020000 |
4 | 1312102320330 |
5 | 30414312424 |
6 | 3024354300 |
7 | 524404140 |
oct | 166227074 |
9 | 64314200 |
10 | 31010364 |
11 | 16560600 |
12 | a475990 |
13 | 6569b38 |
14 | 4193220 |
15 | 2ac83c9 |
hex | 1d92e3c |
31010364 has 180 divisors, whose sum is σ = 102737712. Its totient is φ = 7983360.
The previous prime is 31010321. The next prime is 31010381. The reversal of 31010364 is 46301013.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 274372 + ... + 274484.
Almost surely, 231010364 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31010364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51368856).
31010364 is an abundant number, since it is smaller than the sum of its proper divisors (71727348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31010364 is a wasteful number, since it uses less digits than its factorization.
31010364 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158 (or 136 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 31010364 is about 5568.6949997284. The cubic root of 31010364 is about 314.1730691548.
Adding to 31010364 its reverse (46301013), we get a palindrome (77311377).
The spelling of 31010364 in words is "thirty-one million, ten thousand, three hundred sixty-four".
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