Base | Representation |
---|---|
bin | 1001010001001… |
… | …0010000000110 |
3 | 2201010220110022 |
4 | 2110102100012 |
5 | 34422401240 |
6 | 3505055142 |
7 | 651256436 |
oct | 224222006 |
9 | 81126408 |
10 | 38872070 |
11 | 1aa40186 |
12 | 110274b2 |
13 | 8090333 |
14 | 523c2c6 |
15 | 362c9b5 |
hex | 2512406 |
38872070 has 16 divisors (see below), whose sum is σ = 73012320. Its totient is φ = 14872704.
The previous prime is 38872069. The next prime is 38872087. The reversal of 38872070 is 7027883.
It is a happy number.
It is a super-2 number, since 2×388720702 = 3022075652169800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 38872070.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84275 + ... + 84734.
It is an arithmetic number, because the mean of its divisors is an integer number (4563270).
Almost surely, 238872070 is an apocalyptic number.
38872070 is a deficient number, since it is larger than the sum of its proper divisors (34140250).
38872070 is a wasteful number, since it uses less digits than its factorization.
38872070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169039.
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 38872070 is about 6234.7469876491. The cubic root of 38872070 is about 338.7499366839.
The spelling of 38872070 in words is "thirty-eight million, eight hundred seventy-two thousand, seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •