Base | Representation |
---|---|
bin | 1010011000111… |
… | …11011010011010 |
3 | 20002000012200201 |
4 | 11030133122122 |
5 | 134303113344 |
6 | 12352052414 |
7 | 2105565112 |
oct | 514373232 |
9 | 202005621 |
10 | 87160474 |
11 | 45221a55 |
12 | 2523410a |
13 | 1509965b |
14 | b80c042 |
15 | 79ba4d4 |
hex | 531f69a |
87160474 has 8 divisors (see below), whose sum is σ = 130977108. Its totient is φ = 43501440.
The previous prime is 87160471. The next prime is 87160477. The reversal of 87160474 is 47406178.
It is an interprime number because it is at equal distance from previous prime (87160471) and next prime (87160477).
It can be written as a sum of positive squares in 2 ways, for example, as 86620249 + 540225 = 9307^2 + 735^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (87160471) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38007 + ... + 40234.
Almost surely, 287160474 is an apocalyptic number.
87160474 is a deficient number, since it is larger than the sum of its proper divisors (43816634).
87160474 is a wasteful number, since it uses less digits than its factorization.
87160474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78800.
The product of its (nonzero) digits is 37632, while the sum is 37.
The square root of 87160474 is about 9335.9773992871. The cubic root of 87160474 is about 443.3770346553.
The spelling of 87160474 in words is "eighty-seven million, one hundred sixty thousand, four hundred seventy-four".
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