Base | Representation |
---|---|
bin | 1010100111101… |
… | …00001000111100 |
3 | 20012121202022100 |
4 | 11103310020330 |
5 | 140301033010 |
6 | 12501145100 |
7 | 2131112364 |
oct | 523641074 |
9 | 205552270 |
10 | 89080380 |
11 | 46313454 |
12 | 259bb190 |
13 | 155bc4ac |
14 | bb8b9a4 |
15 | 7c492c0 |
hex | 54f423c |
89080380 has 72 divisors (see below), whose sum is σ = 281971872. Its totient is φ = 22720896.
The previous prime is 89080361. The next prime is 89080399. The reversal of 89080380 is 8308098.
It is an interprime number because it is at equal distance from previous prime (89080361) and next prime (89080399).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6619 + ... + 14898.
It is an arithmetic number, because the mean of its divisors is an integer number (3916276).
Almost surely, 289080380 is an apocalyptic number.
It is an amenable number.
89080380 is an abundant number, since it is smaller than the sum of its proper divisors (192891492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89080380 is a wasteful number, since it uses less digits than its factorization.
89080380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21555 (or 21550 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 89080380 is about 9438.2403020902. The cubic root of 89080380 is about 446.6088796805.
The spelling of 89080380 in words is "eighty-nine million, eighty thousand, three hundred eighty".
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