Base | Representation |
---|---|
bin | 1001001110100… |
… | …1110100111100 |
3 | 2200211111022210 |
4 | 2103221310330 |
5 | 34402101432 |
6 | 3501340420 |
7 | 646666626 |
oct | 223516474 |
9 | 80744283 |
10 | 38706492 |
11 | 1a937840 |
12 | 10b67710 |
13 | 8032b66 |
14 | 51d7c16 |
15 | 35e88cc |
hex | 24e9d3c |
38706492 has 48 divisors (see below), whose sum is σ = 99574272. Its totient is φ = 11604480.
The previous prime is 38706491. The next prime is 38706497. The reversal of 38706492 is 29460783.
It is a self number, because there is not a number n which added to its sum of digits gives 38706492.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38706491) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11293 + ... + 14315.
It is an arithmetic number, because the mean of its divisors is an integer number (2074464).
Almost surely, 238706492 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 38706492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49787136).
38706492 is an abundant number, since it is smaller than the sum of its proper divisors (60867780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38706492 is a wasteful number, since it uses less digits than its factorization.
38706492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3138 (or 3136 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 38706492 is about 6221.4541708511. The cubic root of 38706492 is about 338.2682766730.
The spelling of 38706492 in words is "thirty-eight million, seven hundred six thousand, four hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •