Base | Representation |
---|---|
bin | 1010011111010… |
… | …11000110000000 |
3 | 20010120121002220 |
4 | 11033223012000 |
5 | 140011313002 |
6 | 12422011040 |
7 | 2115641316 |
oct | 517530600 |
9 | 203517086 |
10 | 87994752 |
11 | 4574183a |
12 | 25576a80 |
13 | 152cc301 |
14 | b9880b6 |
15 | 7ad27bc |
hex | 53eb180 |
87994752 has 32 divisors (see below), whose sum is σ = 233737080. Its totient is φ = 29331456.
The previous prime is 87994747. The next prime is 87994759. The reversal of 87994752 is 25749978.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 87994695 and 87994704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87994759) 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, 114193 + ... + 114960.
Almost surely, 287994752 is an apocalyptic number.
It is an amenable number.
87994752 is an abundant number, since it is smaller than the sum of its proper divisors (145742328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87994752 is a wasteful number, since it uses less digits than its factorization.
87994752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229170 (or 229158 counting only the distinct ones).
The product of its digits is 1270080, while the sum is 51.
The square root of 87994752 is about 9380.5517961365. The cubic root of 87994752 is about 444.7871759324.
The spelling of 87994752 in words is "eighty-seven million, nine hundred ninety-four thousand, seven hundred fifty-two".
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