Base | Representation |
---|---|
bin | 1010011010100… |
… | …11001100001000 |
3 | 20002101222121110 |
4 | 11031103030020 |
5 | 134331410202 |
6 | 12400410320 |
7 | 2110440321 |
oct | 515231410 |
9 | 202358543 |
10 | 87372552 |
11 | 45357323 |
12 | 253169a0 |
13 | 15142047 |
14 | b865448 |
15 | 7a0d26c |
hex | 5353308 |
87372552 has 16 divisors (see below), whose sum is σ = 218431440. Its totient is φ = 29124176.
The previous prime is 87372521. The next prime is 87372559. The reversal of 87372552 is 25527378.
It is a self number, because there is not a number n which added to its sum of digits gives 87372552.
It is not an unprimeable number, because it can be changed into a prime (87372559) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820238 + ... + 1820285.
It is an arithmetic number, because the mean of its divisors is an integer number (13651965).
Almost surely, 287372552 is an apocalyptic number.
It is an amenable number.
87372552 is an abundant number, since it is smaller than the sum of its proper divisors (131058888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87372552 is a wasteful number, since it uses less digits than its factorization.
87372552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3640532 (or 3640528 counting only the distinct ones).
The product of its digits is 117600, while the sum is 39.
The square root of 87372552 is about 9347.3286023334. The cubic root of 87372552 is about 443.7363502513.
The spelling of 87372552 in words is "eighty-seven million, three hundred seventy-two thousand, five hundred fifty-two".
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