Base | Representation |
---|---|
bin | 1001010010101… |
… | …0001000111000 |
3 | 2201022212200002 |
4 | 2110222020320 |
5 | 34434014122 |
6 | 3511132132 |
7 | 652144622 |
oct | 224521070 |
9 | 81285602 |
10 | 38969912 |
11 | 1aaa7743 |
12 | 11074048 |
13 | 80c5a27 |
14 | 5265c12 |
15 | 364b992 |
hex | 252a238 |
38969912 has 64 divisors (see below), whose sum is σ = 81907200. Its totient is φ = 17297280.
The previous prime is 38969897. The next prime is 38969927. The reversal of 38969912 is 21996983.
It is an interprime number because it is at equal distance from previous prime (38969897) and next prime (38969927).
It is a congruent number.
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, 248138 + ... + 248294.
It is an arithmetic number, because the mean of its divisors is an integer number (1279800).
Almost surely, 238969912 is an apocalyptic number.
It is an amenable number.
38969912 is an abundant number, since it is smaller than the sum of its proper divisors (42937288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38969912 is a wasteful number, since it uses less digits than its factorization.
38969912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276 (or 272 counting only the distinct ones).
The product of its digits is 209952, while the sum is 47.
The square root of 38969912 is about 6242.5885656513. The cubic root of 38969912 is about 339.0339126598.
The spelling of 38969912 in words is "thirty-eight million, nine hundred sixty-nine thousand, nine hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.142 sec. • engine limits •