Base | Representation |
---|---|
bin | 1010011110010… |
… | …11001100001010 |
3 | 20010022221211222 |
4 | 11033023030022 |
5 | 134443122244 |
6 | 12415122042 |
7 | 2114555324 |
oct | 517131412 |
9 | 203287758 |
10 | 87864074 |
11 | 45662641 |
12 | 25513322 |
13 | 1528499c |
14 | b952614 |
15 | 7aa8bee |
hex | 53cb30a |
87864074 has 8 divisors (see below), whose sum is σ = 131926080. Its totient is φ = 43888716.
The previous prime is 87864059. The next prime is 87864083. The reversal of 87864074 is 47046878.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 in 3 ways as a sum of consecutive naturals, for example, 19064 + ... + 23219.
It is an arithmetic number, because the mean of its divisors is an integer number (16490760).
Almost surely, 287864074 is an apocalyptic number.
87864074 is a deficient number, since it is larger than the sum of its proper divisors (44062006).
87864074 is a wasteful number, since it uses less digits than its factorization.
87864074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43324.
The product of its (nonzero) digits is 301056, while the sum is 44.
The square root of 87864074 is about 9373.5838397061. The cubic root of 87864074 is about 444.5668874356.
The spelling of 87864074 in words is "eighty-seven million, eight hundred sixty-four thousand, seventy-four".
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