Base | Representation |
---|---|
bin | 1010011101001… |
… | …01000110101010 |
3 | 20010001000212012 |
4 | 11032211012222 |
5 | 134423124244 |
6 | 12411515522 |
7 | 2113335446 |
oct | 516450652 |
9 | 203030765 |
10 | 87708074 |
11 | 45566413 |
12 | 25458ba2 |
13 | 1522b98c |
14 | b911826 |
15 | 7a7789e |
hex | 53a51aa |
87708074 has 4 divisors (see below), whose sum is σ = 131562114. Its totient is φ = 43854036.
The previous prime is 87708073. The next prime is 87708077. The reversal of 87708074 is 47080778.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 80227849 + 7480225 = 8957^2 + 2735^2 .
It is not an unprimeable number, because it can be changed into a prime (87708073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21927017 + ... + 21927020.
Almost surely, 287708074 is an apocalyptic number.
87708074 is a deficient number, since it is larger than the sum of its proper divisors (43854040).
87708074 is a wasteful number, since it uses less digits than its factorization.
87708074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43854039.
The product of its (nonzero) digits is 87808, while the sum is 41.
The square root of 87708074 is about 9365.2588859038. The cubic root of 87708074 is about 444.3036265592.
The spelling of 87708074 in words is "eighty-seven million, seven hundred eight thousand, seventy-four".
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