Base | Representation |
---|---|
bin | 1001000001110… |
… | …1010101000100 |
3 | 2122020221022200 |
4 | 2100131111010 |
5 | 34143300433 |
6 | 3431354500 |
7 | 636610602 |
oct | 220352504 |
9 | 78227280 |
10 | 37868868 |
11 | 1a415494 |
12 | 10822a30 |
13 | 7acb81b |
14 | 505a872 |
15 | 34d0613 |
hex | 241d544 |
37868868 has 18 divisors (see below), whose sum is σ = 95724174. Its totient is φ = 12622944.
The previous prime is 37868863. The next prime is 37868891. The reversal of 37868868 is 86886873.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 20629764 + 17239104 = 4542^2 + 4152^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is not an unprimeable number, because it can be changed into a prime (37868863) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525921 + ... + 525992.
Almost surely, 237868868 is an apocalyptic number.
It is an amenable number.
37868868 is an abundant number, since it is smaller than the sum of its proper divisors (57855306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
37868868 is a wasteful number, since it uses less digits than its factorization.
37868868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1051923 (or 1051918 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 54.
The square root of 37868868 is about 6153.7686014344. The cubic root of 37868868 is about 335.8103734438.
The spelling of 37868868 in words is "thirty-seven million, eight hundred sixty-eight thousand, eight hundred sixty-eight".
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