Base | Representation |
---|---|
bin | 1001100011011… |
… | …10011111100110 |
3 | 12120210202101120 |
4 | 10301232133212 |
5 | 131004104413 |
6 | 11541434410 |
7 | 1662134010 |
oct | 461563746 |
9 | 176722346 |
10 | 80144358 |
11 | 4126a708 |
12 | 22a0ba06 |
13 | 137b0cc8 |
14 | a9031b0 |
15 | 7081723 |
hex | 4c6e7e6 |
80144358 has 32 divisors (see below), whose sum is σ = 193964544. Its totient is φ = 21551232.
The previous prime is 80144357. The next prime is 80144369. The reversal of 80144358 is 85344108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80144357) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55410 + ... + 56837.
It is an arithmetic number, because the mean of its divisors is an integer number (6061392).
Almost surely, 280144358 is an apocalyptic number.
80144358 is an abundant number, since it is smaller than the sum of its proper divisors (113820186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80144358 is a wasteful number, since it uses less digits than its factorization.
80144358 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112276.
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 80144358 is about 8952.3381303434. The cubic root of 80144358 is about 431.1459571734.
The spelling of 80144358 in words is "eighty million, one hundred forty-four thousand, three hundred fifty-eight".
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