Base | Representation |
---|---|
bin | 1010011100011… |
… | …01111001101110 |
3 | 20002212012111100 |
4 | 11032031321232 |
5 | 134412104123 |
6 | 12405503530 |
7 | 2112461412 |
oct | 516157156 |
9 | 202765440 |
10 | 87613038 |
11 | 45500a77 |
12 | 25411ba6 |
13 | 151c7646 |
14 | b8c8d42 |
15 | 7a59643 |
hex | 538de6e |
87613038 has 24 divisors (see below), whose sum is σ = 190001448. Its totient is φ = 29177712.
The previous prime is 87613033. The next prime is 87613039. The reversal of 87613038 is 83031678.
87613038 is a `hidden beast` number, since 8 + 7 + 613 + 0 + 38 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 87612993 and 87613011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87613033) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34281 + ... + 36747.
It is an arithmetic number, because the mean of its divisors is an integer number (7916727).
Almost surely, 287613038 is an apocalyptic number.
87613038 is an abundant number, since it is smaller than the sum of its proper divisors (102388410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87613038 is a wasteful number, since it uses less digits than its factorization.
87613038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4448 (or 4445 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 87613038 is about 9360.1836520444. The cubic root of 87613038 is about 444.1430936398.
The spelling of 87613038 in words is "eighty-seven million, six hundred thirteen thousand, thirty-eight".
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