Base | Representation |
---|---|
bin | 1010101010000… |
… | …01100010000100 |
3 | 20020012212011002 |
4 | 11111001202010 |
5 | 140341204010 |
6 | 12512032432 |
7 | 2133602522 |
oct | 525014204 |
9 | 206185132 |
10 | 89397380 |
11 | 4650a636 |
12 | 25b32718 |
13 | 156a0877 |
14 | bc31312 |
15 | 7cad1a5 |
hex | 5541884 |
89397380 has 12 divisors (see below), whose sum is σ = 187734540. Its totient is φ = 35758944.
The previous prime is 89397377. The next prime is 89397409. The reversal of 89397380 is 8379398.
It can be written as a sum of positive squares in 2 ways, for example, as 36747844 + 52649536 = 6062^2 + 7256^2 .
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, 2234915 + ... + 2234954.
It is an arithmetic number, because the mean of its divisors is an integer number (15644545).
Almost surely, 289397380 is an apocalyptic number.
It is an amenable number.
89397380 is an abundant number, since it is smaller than the sum of its proper divisors (98337160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89397380 is a wasteful number, since it uses less digits than its factorization.
89397380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4469878 (or 4469876 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 47.
The square root of 89397380 is about 9455.0187731173. The cubic root of 89397380 is about 447.1380175615.
The spelling of 89397380 in words is "eighty-nine million, three hundred ninety-seven thousand, three hundred eighty".
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