Base | Representation |
---|---|
bin | 1010011101000… |
… | …01111011100010 |
3 | 20010000101000201 |
4 | 11032201323202 |
5 | 134422220244 |
6 | 12411335414 |
7 | 2113252525 |
oct | 516417342 |
9 | 203011021 |
10 | 87695074 |
11 | 45557675 |
12 | 2545156a |
13 | 15225a9c |
14 | b90abbc |
15 | 7a73ad4 |
hex | 53a1ee2 |
87695074 has 4 divisors (see below), whose sum is σ = 131542614. Its totient is φ = 43847536.
The previous prime is 87695059. The next prime is 87695077. The reversal of 87695074 is 47059678.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47059678 = 2 ⋅23529839.
It can be written as a sum of positive squares in only one way, i.e., 83594449 + 4100625 = 9143^2 + 2025^2 .
It is not an unprimeable number, because it can be changed into a prime (87695077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21923767 + ... + 21923770.
Almost surely, 287695074 is an apocalyptic number.
87695074 is a deficient number, since it is larger than the sum of its proper divisors (43847540).
87695074 is a wasteful number, since it uses less digits than its factorization.
87695074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43847539.
The product of its (nonzero) digits is 423360, while the sum is 46.
The square root of 87695074 is about 9364.5648056917. The cubic root of 87695074 is about 444.2816740666.
The spelling of 87695074 in words is "eighty-seven million, six hundred ninety-five thousand, seventy-four".
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