Base | Representation |
---|---|
bin | 1010011100100… |
… | …10110110001110 |
3 | 20002220020021120 |
4 | 11032102312032 |
5 | 134413231134 |
6 | 12410141410 |
7 | 2112604440 |
oct | 516226616 |
9 | 202806246 |
10 | 87633294 |
11 | 45515211 |
12 | 25421866 |
13 | 15203928 |
14 | b8d2490 |
15 | 7a60649 |
hex | 5392d8e |
87633294 has 16 divisors (see below), whose sum is σ = 200304768. Its totient is φ = 25038072.
The previous prime is 87633251. The next prime is 87633313. The reversal of 87633294 is 49233678.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2086507 = 87633294 / (8 + 7 + 6 + 3 + 3 + 2 + 9 + 4).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043212 + ... + 1043295.
It is an arithmetic number, because the mean of its divisors is an integer number (12519048).
Almost surely, 287633294 is an apocalyptic number.
87633294 is an abundant number, since it is smaller than the sum of its proper divisors (112671474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87633294 is a wasteful number, since it uses less digits than its factorization.
87633294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2086519.
The product of its digits is 217728, while the sum is 42.
The square root of 87633294 is about 9361.2656195623. The cubic root of 87633294 is about 444.1773194029.
The spelling of 87633294 in words is "eighty-seven million, six hundred thirty-three thousand, two hundred ninety-four".
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