Base | Representation |
---|---|
bin | 1010101001111… |
… | …00010111110000 |
3 | 20020011210011010 |
4 | 11110330113300 |
5 | 140340014430 |
6 | 12511350520 |
7 | 2133454062 |
oct | 524742760 |
9 | 206153133 |
10 | 89376240 |
11 | 464a5768 |
12 | 25b22440 |
13 | 15694065 |
14 | bc27732 |
15 | 7ca6cb0 |
hex | 553c5f0 |
89376240 has 40 divisors (see below), whose sum is σ = 277067088. Its totient is φ = 23833600.
The previous prime is 89376233. The next prime is 89376241. The reversal of 89376240 is 4267398.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×893762402 = 15976224553075200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89376241) 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, 185961 + ... + 186440.
Almost surely, 289376240 is an apocalyptic number.
89376240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
89376240 is an abundant number, since it is smaller than the sum of its proper divisors (187690848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89376240 is a wasteful number, since it uses less digits than its factorization.
89376240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 372417 (or 372411 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 89376240 is about 9453.9007822168. The cubic root of 89376240 is about 447.1027695380.
The spelling of 89376240 in words is "eighty-nine million, three hundred seventy-six thousand, two hundred forty".
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