Base | Representation |
---|---|
bin | 1010011000010… |
… | …01011101001001 |
3 | 20001211122022201 |
4 | 11030021131021 |
5 | 134242224122 |
6 | 12350120201 |
7 | 2105041651 |
oct | 514113511 |
9 | 201748281 |
10 | 87070537 |
11 | 45170424 |
12 | 251b0061 |
13 | 15067738 |
14 | b7c7361 |
15 | 799da27 |
hex | 5309749 |
87070537 has 8 divisors (see below), whose sum is σ = 89999360. Its totient is φ = 84149280.
The previous prime is 87070523. The next prime is 87070547. The reversal of 87070537 is 73507078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87070537 - 211 = 87068489 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87070496 and 87070505.
It is not an unprimeable number, because it can be changed into a prime (87070547) 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, 30664 + ... + 33382.
It is an arithmetic number, because the mean of its divisors is an integer number (11249920).
Almost surely, 287070537 is an apocalyptic number.
It is an amenable number.
87070537 is a deficient number, since it is larger than the sum of its proper divisors (2928823).
87070537 is a wasteful number, since it uses less digits than its factorization.
87070537 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3783.
The product of its (nonzero) digits is 41160, while the sum is 37.
The square root of 87070537 is about 9331.1594670759. The cubic root of 87070537 is about 443.2244818531.
The spelling of 87070537 in words is "eighty-seven million, seventy thousand, five hundred thirty-seven".
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