Base | Representation |
---|---|
bin | 1010100110110… |
… | …10001100111010 |
3 | 20012102100120110 |
4 | 11103122030322 |
5 | 140234133023 |
6 | 12455005150 |
7 | 2130160551 |
oct | 523321472 |
9 | 205370513 |
10 | 88974138 |
11 | 46250650 |
12 | 259697b6 |
13 | 15583026 |
14 | bb60d98 |
15 | 7c27a93 |
hex | 54da33a |
88974138 has 64 divisors (see below), whose sum is σ = 201180672. Its totient is φ = 25999680.
The previous prime is 88974113. The next prime is 88974187. The reversal of 88974138 is 83147988.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303520 + ... + 303812.
It is an arithmetic number, because the mean of its divisors is an integer number (3143448).
Almost surely, 288974138 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 88974138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100590336).
88974138 is an abundant number, since it is smaller than the sum of its proper divisors (112206534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88974138 is a wasteful number, since it uses less digits than its factorization.
88974138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459.
The product of its digits is 387072, while the sum is 48.
The square root of 88974138 is about 9432.6103492087. The cubic root of 88974138 is about 446.4312592125.
The spelling of 88974138 in words is "eighty-eight million, nine hundred seventy-four thousand, one hundred thirty-eight".
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