Base | Representation |
---|---|
bin | 1010011010111… |
… | …10110101010110 |
3 | 20002111102000220 |
4 | 11031132311112 |
5 | 134334421441 |
6 | 12401415210 |
7 | 2111026344 |
oct | 515366526 |
9 | 202442026 |
10 | 87420246 |
11 | 4538a141 |
12 | 2533a506 |
13 | 1515a974 |
14 | b878994 |
15 | 7a1c466 |
hex | 535ed56 |
87420246 has 8 divisors (see below), whose sum is σ = 174840504. Its totient is φ = 29140080.
The previous prime is 87420227. The next prime is 87420251. The reversal of 87420246 is 64202478.
It is a sphenic number, since it is the product of 3 distinct primes.
87420246 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7285015 + ... + 7285026.
It is an arithmetic number, because the mean of its divisors is an integer number (21855063).
Almost surely, 287420246 is an apocalyptic number.
87420246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87420246 is a wasteful number, since it uses less digits than its factorization.
87420246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14570046.
The product of its (nonzero) digits is 21504, while the sum is 33.
The square root of 87420246 is about 9349.8794644637. The cubic root of 87420246 is about 443.8170762586.
The spelling of 87420246 in words is "eighty-seven million, four hundred twenty thousand, two hundred forty-six".
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