Base | Representation |
---|---|
bin | 1001010001010… |
… | …0000100110110 |
3 | 2201011021201001 |
4 | 2110110010312 |
5 | 34423121132 |
6 | 3505153514 |
7 | 651320302 |
oct | 224240466 |
9 | 81137631 |
10 | 38879542 |
11 | 1aa45859 |
12 | 1102b89a |
13 | 8093860 |
14 | 5240d02 |
15 | 362ece7 |
hex | 2514136 |
38879542 has 16 divisors (see below), whose sum is σ = 62908272. Its totient is φ = 17915040.
The previous prime is 38879539. The next prime is 38879543. The reversal of 38879542 is 24597883.
It is a super-2 number, since 2×388795422 = 3023237572259528, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38879492 and 38879501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38879543) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29808 + ... + 31084.
It is an arithmetic number, because the mean of its divisors is an integer number (3931767).
Almost surely, 238879542 is an apocalyptic number.
38879542 is a deficient number, since it is larger than the sum of its proper divisors (24028730).
38879542 is a wasteful number, since it uses less digits than its factorization.
38879542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2463.
The product of its digits is 483840, while the sum is 46.
The square root of 38879542 is about 6235.3461812477. The cubic root of 38879542 is about 338.7716401620.
It can be divided in two parts, 388 and 79542, that multiplied together give a triangular number (30862296 = T7856).
The spelling of 38879542 in words is "thirty-eight million, eight hundred seventy-nine thousand, five hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •