Base | Representation |
---|---|
bin | 1001001111010… |
… | …0101000000000 |
3 | 2200220201222212 |
4 | 2103310220000 |
5 | 34410010340 |
6 | 3502321252 |
7 | 650242601 |
oct | 223645000 |
9 | 80821885 |
10 | 38750720 |
11 | 1a967a98 |
12 | 10b89228 |
13 | 804a028 |
14 | 5209da8 |
15 | 3606a65 |
hex | 24f4a00 |
38750720 has 40 divisors (see below), whose sum is σ = 92917044. Its totient is φ = 15499264.
The previous prime is 38750711. The next prime is 38750731. The reversal of 38750720 is 2705783.
It can be written as a sum of positive squares in 2 ways, for example, as 38738176 + 12544 = 6224^2 + 112^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009 + ... + 10128.
Almost surely, 238750720 is an apocalyptic number.
It is an amenable number.
38750720 is an abundant number, since it is smaller than the sum of its proper divisors (54166324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38750720 is an equidigital number, since it uses as much as digits as its factorization.
38750720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15160 (or 15144 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 38750720 is about 6225.0076305174. The cubic root of 38750720 is about 338.3970684580.
The spelling of 38750720 in words is "thirty-eight million, seven hundred fifty thousand, seven hundred twenty".
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