Base | Representation |
---|---|
bin | 1010011010110… |
… | …11101001111010 |
3 | 20002110202011200 |
4 | 11031123221322 |
5 | 134334012401 |
6 | 12401235030 |
7 | 2110643364 |
oct | 515335172 |
9 | 202422150 |
10 | 87407226 |
11 | 45380385 |
12 | 25332a76 |
13 | 15154a6a |
14 | b873d34 |
15 | 7a18686 |
hex | 535ba7a |
87407226 has 12 divisors (see below), whose sum is σ = 189382362. Its totient is φ = 29135736.
The previous prime is 87407219. The next prime is 87407237. The reversal of 87407226 is 62270478.
It can be written as a sum of positive squares in only one way, i.e., 85544001 + 1863225 = 9249^2 + 1365^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2427961 + ... + 2427996.
Almost surely, 287407226 is an apocalyptic number.
87407226 is an abundant number, since it is smaller than the sum of its proper divisors (101975136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87407226 is a wasteful number, since it uses less digits than its factorization.
87407226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4855965 (or 4855962 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 87407226 is about 9349.1831728767. The cubic root of 87407226 is about 443.7950417548.
The spelling of 87407226 in words is "eighty-seven million, four hundred seven thousand, two hundred twenty-six".
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