Base | Representation |
---|---|
bin | 1010011000010… |
… | …11101000111101 |
3 | 20001212002121010 |
4 | 11030023220331 |
5 | 134243020420 |
6 | 12350225433 |
7 | 2105110023 |
oct | 514135075 |
9 | 201762533 |
10 | 87079485 |
11 | 45177119 |
12 | 251b5279 |
13 | 1506b82c |
14 | b7ca713 |
15 | 79a14e0 |
hex | 530ba3d |
87079485 has 16 divisors (see below), whose sum is σ = 142292736. Its totient is φ = 45453888.
The previous prime is 87079483. The next prime is 87079501. The reversal of 87079485 is 58497078.
It is not a de Polignac number, because 87079485 - 21 = 87079483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87079481) 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, 61054 + ... + 62463.
It is an arithmetic number, because the mean of its divisors is an integer number (8893296).
Almost surely, 287079485 is an apocalyptic number.
It is an amenable number.
87079485 is a deficient number, since it is larger than the sum of its proper divisors (55213251).
87079485 is a wasteful number, since it uses less digits than its factorization.
87079485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123572.
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 87079485 is about 9331.6389235761. The cubic root of 87079485 is about 443.2396643207.
The spelling of 87079485 in words is "eighty-seven million, seventy-nine thousand, four hundred eighty-five".
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