Base | Representation |
---|---|
bin | 1001100011011… |
… | …00110010110110 |
3 | 12120210101211210 |
4 | 10301230302312 |
5 | 131003344043 |
6 | 11541342250 |
7 | 1662104505 |
oct | 461546266 |
9 | 176711753 |
10 | 80137398 |
11 | 41265460 |
12 | 22a07986 |
13 | 137aaaa3 |
14 | a90083c |
15 | 707e633 |
hex | 4c6ccb6 |
80137398 has 32 divisors (see below), whose sum is σ = 175167360. Its totient is φ = 24239360.
The previous prime is 80137373. The next prime is 80137403. The reversal of 80137398 is 89373108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60661 + ... + 61967.
It is an arithmetic number, because the mean of its divisors is an integer number (5473980).
Almost surely, 280137398 is an apocalyptic number.
80137398 is an abundant number, since it is smaller than the sum of its proper divisors (95029962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80137398 is a wasteful number, since it uses less digits than its factorization.
80137398 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2252.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 80137398 is about 8951.9493966398. The cubic root of 80137398 is about 431.1334761005.
The spelling of 80137398 in words is "eighty million, one hundred thirty-seven thousand, three hundred ninety-eight".
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