Base | Representation |
---|---|
bin | 1001010010110… |
… | …0111011111100 |
3 | 2201100110101112 |
4 | 2110230323330 |
5 | 34434400442 |
6 | 3511301152 |
7 | 652223213 |
oct | 224547374 |
9 | 81313345 |
10 | 38981372 |
11 | 20005311 |
12 | 1107a7b8 |
13 | 80cb001 |
14 | 526a07a |
15 | 3650082 |
hex | 252cefc |
38981372 has 12 divisors (see below), whose sum is σ = 68276880. Its totient is φ = 19473696.
The previous prime is 38981363. The next prime is 38981399. The reversal of 38981372 is 27318983.
It is a congruent number.
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, 1904 + ... + 9032.
It is an arithmetic number, because the mean of its divisors is an integer number (5689740).
Almost surely, 238981372 is an apocalyptic number.
It is an amenable number.
38981372 is a deficient number, since it is larger than the sum of its proper divisors (29295508).
38981372 is a wasteful number, since it uses less digits than its factorization.
38981372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8500 (or 8498 counting only the distinct ones).
The product of its digits is 72576, while the sum is 41.
The square root of 38981372 is about 6243.5063866388. The cubic root of 38981372 is about 339.0671429790.
The spelling of 38981372 in words is "thirty-eight million, nine hundred eighty-one thousand, three hundred seventy-two".
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