Base | Representation |
---|---|
bin | 1001101001000… |
… | …01001101101010 |
3 | 12122011221120000 |
4 | 10310201031222 |
5 | 131201021034 |
6 | 12005243430 |
7 | 2001303144 |
oct | 464411552 |
9 | 178157500 |
10 | 80876394 |
11 | 4171a6a5 |
12 | 23103576 |
13 | 139a9271 |
14 | aa53c94 |
15 | 7178599 |
hex | 4d2136a |
80876394 has 40 divisors (see below), whose sum is σ = 182696448. Its totient is φ = 26739720.
The previous prime is 80876371. The next prime is 80876401. The reversal of 80876394 is 49367808.
It is a happy number.
80876394 is a `hidden beast` number, since 8 + 0 + 8 + 7 + 639 + 4 = 666.
It is a super-2 number, since 2×808763942 = 13081982212886472, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18609 + ... + 22539.
Almost surely, 280876394 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80876394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91348224).
80876394 is an abundant number, since it is smaller than the sum of its proper divisors (101820054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80876394 is a wasteful number, since it uses less digits than its factorization.
80876394 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4072 (or 4063 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 80876394 is about 8993.1303782387. The cubic root of 80876394 is about 432.4546717617.
The spelling of 80876394 in words is "eighty million, eight hundred seventy-six thousand, three hundred ninety-four".
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