Base | Representation |
---|---|
bin | 1010011101100… |
… | …01111101001000 |
3 | 20010010201001202 |
4 | 11032301331020 |
5 | 134431320322 |
6 | 12413003332 |
7 | 2113645064 |
oct | 516617510 |
9 | 203121052 |
10 | 87760712 |
11 | 455a1a16 |
12 | 25483548 |
13 | 15249920 |
14 | b926aa4 |
15 | 7a88292 |
hex | 53b1f48 |
87760712 has 32 divisors (see below), whose sum is σ = 177924600. Its totient is φ = 40341504.
The previous prime is 87760711. The next prime is 87760723. The reversal of 87760712 is 21706778.
It can be written as a sum of positive squares in 4 ways, for example, as 69322276 + 18438436 = 8326^2 + 4294^2 .
It is not an unprimeable number, because it can be changed into a prime (87760711) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26408 + ... + 29544.
Almost surely, 287760712 is an apocalyptic number.
It is an amenable number.
87760712 is an abundant number, since it is smaller than the sum of its proper divisors (90163888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87760712 is a wasteful number, since it uses less digits than its factorization.
87760712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3425 (or 3421 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 38.
The square root of 87760712 is about 9368.0687444105. The cubic root of 87760712 is about 444.3924917236.
The spelling of 87760712 in words is "eighty-seven million, seven hundred sixty thousand, seven hundred twelve".
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