Base | Representation |
---|---|
bin | 1001001010010… |
… | …0001010100000 |
3 | 2200021222220122 |
4 | 2102210022200 |
5 | 34313434102 |
6 | 3451255412 |
7 | 644401010 |
oct | 222441240 |
9 | 80258818 |
10 | 38421152 |
11 | 1a762420 |
12 | 10a4a568 |
13 | 7c63013 |
14 | 5161c40 |
15 | 358e0a2 |
hex | 24a42a0 |
38421152 has 96 divisors (see below), whose sum is σ = 97542144. Its totient is φ = 14457600.
The previous prime is 38421127. The next prime is 38421157. The reversal of 38421152 is 25112483.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38421157) 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, 76133 + ... + 76635.
It is an arithmetic number, because the mean of its divisors is an integer number (1016064).
Almost surely, 238421152 is an apocalyptic number.
38421152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38421152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48771072).
38421152 is an abundant number, since it is smaller than the sum of its proper divisors (59120992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38421152 is a wasteful number, since it uses less digits than its factorization.
38421152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 562 (or 554 counting only the distinct ones).
The product of its digits is 1920, while the sum is 26.
The square root of 38421152 is about 6198.4798136317. The cubic root of 38421152 is about 337.4350001938.
It can be divided in two parts, 3842 and 1152, that added together give a palindrome (4994).
The spelling of 38421152 in words is "thirty-eight million, four hundred twenty-one thousand, one hundred fifty-two".
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