Base | Representation |
---|---|
bin | 1010110011000… |
… | …11111111111010 |
3 | 20022110022011220 |
4 | 11121203333322 |
5 | 141142242010 |
6 | 12553332510 |
7 | 2146656264 |
oct | 531437772 |
9 | 208408156 |
10 | 90587130 |
11 | 471524a7 |
12 | 26407136 |
13 | 159c926a |
14 | c060b34 |
15 | 7e45970 |
hex | 5663ffa |
90587130 has 16 divisors (see below), whose sum is σ = 217409184. Its totient is φ = 24156560.
The previous prime is 90587129. The next prime is 90587143. The reversal of 90587130 is 3178509.
It is a junction number, because it is equal to n+sod(n) for n = 90587091 and 90587100.
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, 1509756 + ... + 1509815.
It is an arithmetic number, because the mean of its divisors is an integer number (13588074).
Almost surely, 290587130 is an apocalyptic number.
90587130 is an abundant number, since it is smaller than the sum of its proper divisors (126822054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90587130 is a wasteful number, since it uses less digits than its factorization.
90587130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3019581.
The product of its (nonzero) digits is 7560, while the sum is 33.
The square root of 90587130 is about 9517.7271446496. The cubic root of 90587130 is about 449.1128695433.
The spelling of 90587130 in words is "ninety million, five hundred eighty-seven thousand, one hundred thirty".
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