Base | Representation |
---|---|
bin | 1010011100100… |
… | …00100000010101 |
3 | 20002212202010021 |
4 | 11032100200111 |
5 | 134412424301 |
6 | 12410025141 |
7 | 2112534454 |
oct | 516204025 |
9 | 202782107 |
10 | 87623701 |
11 | 45508a90 |
12 | 254181b1 |
13 | 151cc459 |
14 | b8ccb9b |
15 | 7a5c8a1 |
hex | 5390815 |
87623701 has 16 divisors (see below), whose sum is σ = 99122688. Its totient is φ = 76737600.
The previous prime is 87623671. The next prime is 87623717. The reversal of 87623701 is 10732678.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87623701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87623101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99475 + ... + 100351.
It is an arithmetic number, because the mean of its divisors is an integer number (6195168).
Almost surely, 287623701 is an apocalyptic number.
It is an amenable number.
87623701 is a deficient number, since it is larger than the sum of its proper divisors (11498987).
87623701 is a wasteful number, since it uses less digits than its factorization.
87623701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1212.
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 87623701 is about 9360.7532282397. The cubic root of 87623701 is about 444.1611111472.
The spelling of 87623701 in words is "eighty-seven million, six hundred twenty-three thousand, seven hundred one".
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