Base | Representation |
---|---|
bin | 1010101000001… |
… | …11000101000000 |
3 | 20012202200201101 |
4 | 11110013011000 |
5 | 140311023302 |
6 | 12502544144 |
7 | 2131554502 |
oct | 524070500 |
9 | 205680641 |
10 | 89157952 |
11 | 46366764 |
12 | 25a38054 |
13 | 156188b0 |
14 | bbabd72 |
15 | 7c62287 |
hex | 5507140 |
89157952 has 56 divisors (see below), whose sum is σ = 192600072. Its totient is φ = 40704000.
The previous prime is 89157917. The next prime is 89157989. The reversal of 89157952 is 25975198.
It can be written as a sum of positive squares in 4 ways, for example, as 26050816 + 63107136 = 5104^2 + 7944^2 .
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, 83502 + ... + 84562.
It is an arithmetic number, because the mean of its divisors is an integer number (3439287).
Almost surely, 289157952 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 89157952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96300036).
89157952 is an abundant number, since it is smaller than the sum of its proper divisors (103442120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89157952 is a wasteful number, since it uses less digits than its factorization.
89157952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1187 (or 1177 counting only the distinct ones).
The product of its digits is 226800, while the sum is 46.
The square root of 89157952 is about 9442.3488603207. The cubic root of 89157952 is about 446.7384790852.
It can be divided in two parts, 89157 and 952, that added together give a palindrome (90109).
The spelling of 89157952 in words is "eighty-nine million, one hundred fifty-seven thousand, nine hundred fifty-two".
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