Base | Representation |
---|---|
bin | 1001010010010… |
… | …0000111101000 |
3 | 2201021121211220 |
4 | 2110210013220 |
5 | 34432222011 |
6 | 3510422040 |
7 | 652013010 |
oct | 224440750 |
9 | 81247756 |
10 | 38945256 |
11 | 1aa90169 |
12 | 11061920 |
13 | 80b773c |
14 | 525ac40 |
15 | 3644506 |
hex | 25241e8 |
38945256 has 64 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 10642368.
The previous prime is 38945239. The next prime is 38945261. The reversal of 38945256 is 65254983.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an alternating number because its digits alternate between odd and even.
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, 1176 + ... + 8903.
It is an arithmetic number, because the mean of its divisors is an integer number (1814400).
Almost surely, 238945256 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38945256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58060800).
38945256 is an abundant number, since it is smaller than the sum of its proper divisors (77176344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38945256 is a wasteful number, since it uses less digits than its factorization.
38945256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10118 (or 10114 counting only the distinct ones).
The product of its digits is 259200, while the sum is 42.
The square root of 38945256 is about 6240.6134313864. The cubic root of 38945256 is about 338.9623960865.
The spelling of 38945256 in words is "thirty-eight million, nine hundred forty-five thousand, two hundred fifty-six".
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