Base | Representation |
---|---|
bin | 1010011111000… |
… | …01010010010000 |
3 | 20010111112222220 |
4 | 11033201102100 |
5 | 140004021301 |
6 | 12421101040 |
7 | 2115413223 |
oct | 517412220 |
9 | 203445886 |
10 | 87954576 |
11 | 45714636 |
12 | 25557780 |
13 | 152b6c38 |
14 | b9775ba |
15 | 7ac5936 |
hex | 53e1490 |
87954576 has 40 divisors (see below), whose sum is σ = 237097920. Its totient is φ = 28043136.
The previous prime is 87954541. The next prime is 87954577. The reversal of 87954576 is 67545978.
It is not an unprimeable number, because it can be changed into a prime (87954577) 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 7 ways as a sum of consecutive naturals, for example, 38731 + ... + 40938.
It is an arithmetic number, because the mean of its divisors is an integer number (5927448).
Almost surely, 287954576 is an apocalyptic number.
It is an amenable number.
87954576 is an abundant number, since it is smaller than the sum of its proper divisors (149143344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87954576 is a wasteful number, since it uses less digits than its factorization.
87954576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79703 (or 79697 counting only the distinct ones).
The product of its digits is 2116800, while the sum is 51.
The square root of 87954576 is about 9378.4100997984. The cubic root of 87954576 is about 444.7194730695.
It can be divided in two parts, 879 and 54576, that added together give a palindrome (55455).
The spelling of 87954576 in words is "eighty-seven million, nine hundred fifty-four thousand, five hundred seventy-six".
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