Base | Representation |
---|---|
bin | 1010011110011… |
… | …10111011111000 |
3 | 20010100201220012 |
4 | 11033032323320 |
5 | 134444120131 |
6 | 12415321052 |
7 | 2114651132 |
oct | 517167370 |
9 | 203321805 |
10 | 87879416 |
11 | 45673119 |
12 | 25520188 |
13 | 1528b971 |
14 | b958052 |
15 | 7aad52b |
hex | 53ceef8 |
87879416 has 8 divisors (see below), whose sum is σ = 164773920. Its totient is φ = 43939704.
The previous prime is 87879413. The next prime is 87879457. The reversal of 87879416 is 61497878.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87879413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5492456 + ... + 5492471.
It is an arithmetic number, because the mean of its divisors is an integer number (20596740).
Almost surely, 287879416 is an apocalyptic number.
It is an amenable number.
87879416 is a deficient number, since it is larger than the sum of its proper divisors (76894504).
87879416 is a wasteful number, since it uses less digits than its factorization.
87879416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10984933 (or 10984929 counting only the distinct ones).
The product of its digits is 677376, while the sum is 50.
The square root of 87879416 is about 9374.4021676051. The cubic root of 87879416 is about 444.5927612955.
The spelling of 87879416 in words is "eighty-seven million, eight hundred seventy-nine thousand, four hundred sixteen".
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