Base | Representation |
---|---|
bin | 1001001001110… |
… | …0110000110000 |
3 | 2200020110022200 |
4 | 2102130300300 |
5 | 34312001312 |
6 | 3450503200 |
7 | 644213424 |
oct | 222346060 |
9 | 80213280 |
10 | 38390832 |
11 | 1a741667 |
12 | 10a34b00 |
13 | 7c5228c |
14 | 5154b84 |
15 | 35850dc |
hex | 249cc30 |
38390832 has 30 divisors (see below), whose sum is σ = 107441412. Its totient is φ = 12796896.
The previous prime is 38390831. The next prime is 38390837. The reversal of 38390832 is 23809383.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (38390831) 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, 133158 + ... + 133445.
Almost surely, 238390832 is an apocalyptic number.
It is an amenable number.
38390832 is an abundant number, since it is smaller than the sum of its proper divisors (69050580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38390832 is a wasteful number, since it uses less digits than its factorization.
38390832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266617 (or 266608 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 38390832 is about 6196.0335699542. The cubic root of 38390832 is about 337.3462147105.
The spelling of 38390832 in words is "thirty-eight million, three hundred ninety thousand, eight hundred thirty-two".
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