Base | Representation |
---|---|
bin | 100101100111001… |
… | …011100101111000 |
3 | 1121222101112210200 |
4 | 211213023211320 |
5 | 2243020344323 |
6 | 142341042200 |
7 | 21431436015 |
oct | 4547134570 |
9 | 1558345720 |
10 | 631028088 |
11 | 2a4220819 |
12 | 1573b6360 |
13 | a0970802 |
14 | 5db4270c |
15 | 3a5eb443 |
hex | 259cb978 |
631028088 has 48 divisors (see below), whose sum is σ = 1712139000. Its totient is φ = 209960640.
The previous prime is 631028039. The next prime is 631028093. The reversal of 631028088 is 880820136.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33438 + ... + 48786.
Almost surely, 2631028088 is an apocalyptic number.
It is an amenable number.
631028088 is an abundant number, since it is smaller than the sum of its proper divisors (1081110912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631028088 is a wasteful number, since it uses less digits than its factorization.
631028088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15932 (or 15925 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 631028088 is about 25120.2724507518. The cubic root of 631028088 is about 857.7279526115.
The spelling of 631028088 in words is "six hundred thirty-one million, twenty-eight thousand, eighty-eight".
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