Base | Representation |
---|---|
bin | 1001100011000… |
… | …01100101000100 |
3 | 12120201001211101 |
4 | 10301201211010 |
5 | 131000411320 |
6 | 11540345444 |
7 | 1661523541 |
oct | 461414504 |
9 | 176631741 |
10 | 80091460 |
11 | 41233999 |
12 | 229a5284 |
13 | 13792bc7 |
14 | a8cbbc8 |
15 | 7070c0a |
hex | 4c61944 |
80091460 has 36 divisors (see below), whose sum is σ = 177526188. Its totient is φ = 30347712.
The previous prime is 80091449. The next prime is 80091467. The reversal of 80091460 is 6419008.
It can be written as a sum of positive squares in 2 ways, for example, as 48888064 + 31203396 = 6992^2 + 5586^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80091467) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1674 + ... + 12766.
It is an arithmetic number, because the mean of its divisors is an integer number (4931283).
Almost surely, 280091460 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80091460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88763094).
80091460 is an abundant number, since it is smaller than the sum of its proper divisors (97434728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80091460 is a wasteful number, since it uses less digits than its factorization.
80091460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11140 (or 11119 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 80091460 is about 8949.3832189710. The cubic root of 80091460 is about 431.0510793014.
The spelling of 80091460 in words is "eighty million, ninety-one thousand, four hundred sixty".
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