Base | Representation |
---|---|
bin | 1001001010001… |
… | …1001000101010 |
3 | 2200021210010120 |
4 | 2102203020222 |
5 | 34313320223 |
6 | 3451224110 |
7 | 644352510 |
oct | 222431052 |
9 | 80253116 |
10 | 38416938 |
11 | 1a75a23a |
12 | 10a48036 |
13 | 7c61121 |
14 | 51604b0 |
15 | 358cbe3 |
hex | 24a322a |
38416938 has 32 divisors (see below), whose sum is σ = 90840960. Its totient is φ = 10597440.
The previous prime is 38416921. The next prime is 38416943. The reversal of 38416938 is 83961483.
It is a happy number.
It is a super-2 number, since 2×384169382 = 2951722250591688, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 38416938.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14553 + ... + 16988.
It is an arithmetic number, because the mean of its divisors is an integer number (2838780).
Almost surely, 238416938 is an apocalyptic number.
38416938 is an abundant number, since it is smaller than the sum of its proper divisors (52424022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38416938 is a wasteful number, since it uses less digits than its factorization.
38416938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31582.
The product of its digits is 124416, while the sum is 42.
The square root of 38416938 is about 6198.1398822550. The cubic root of 38416938 is about 337.4226632127.
The spelling of 38416938 in words is "thirty-eight million, four hundred sixteen thousand, nine hundred thirty-eight".
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