Base | Representation |
---|---|
bin | 1010011000100… |
… | …11111101000110 |
3 | 20001220211022111 |
4 | 11030103331012 |
5 | 134300113132 |
6 | 12351051234 |
7 | 2105311225 |
oct | 514237506 |
9 | 201824274 |
10 | 87113542 |
11 | 4519a76a |
12 | 25210b1a |
13 | 15081199 |
14 | b7d8cbc |
15 | 79ab647 |
hex | 5313f46 |
87113542 has 8 divisors (see below), whose sum is σ = 138356856. Its totient is φ = 40994592.
The previous prime is 87113539. The next prime is 87113549. The reversal of 87113542 is 24531178.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87113549) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281048 + ... + 1281115.
It is an arithmetic number, because the mean of its divisors is an integer number (17294607).
Almost surely, 287113542 is an apocalyptic number.
87113542 is a deficient number, since it is larger than the sum of its proper divisors (51243314).
87113542 is a wasteful number, since it uses less digits than its factorization.
87113542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2562182.
The product of its digits is 6720, while the sum is 31.
The square root of 87113542 is about 9333.4635586153. The cubic root of 87113542 is about 443.2974408289.
The spelling of 87113542 in words is "eighty-seven million, one hundred thirteen thousand, five hundred forty-two".
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