Base | Representation |
---|---|
bin | 1010011100011… |
… | …00100010111101 |
3 | 20002211220212200 |
4 | 11032030202331 |
5 | 134411414420 |
6 | 12405422113 |
7 | 2112436260 |
oct | 516144275 |
9 | 202756780 |
10 | 87607485 |
11 | 454a7889 |
12 | 2540a939 |
13 | 151c4c64 |
14 | b8c6cd7 |
15 | 7a57b90 |
hex | 538c8bd |
87607485 has 24 divisors (see below), whose sum is σ = 173546880. Its totient is φ = 40048992.
The previous prime is 87607459. The next prime is 87607489. The reversal of 87607485 is 58470678.
It is not a de Polignac number, because 87607485 - 215 = 87574717 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 87607485.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87607489) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138745 + ... + 139374.
It is an arithmetic number, because the mean of its divisors is an integer number (7231120).
Almost surely, 287607485 is an apocalyptic number.
It is an amenable number.
87607485 is a deficient number, since it is larger than the sum of its proper divisors (85939395).
87607485 is a wasteful number, since it uses less digits than its factorization.
87607485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278137 (or 278134 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 87607485 is about 9359.8870185489. The cubic root of 87607485 is about 444.1337100337.
The spelling of 87607485 in words is "eighty-seven million, six hundred seven thousand, four hundred eighty-five".
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