Base | Representation |
---|---|
bin | 1001010111100… |
… | …00100101111100 |
3 | 12110212021121210 |
4 | 10223300211330 |
5 | 130104030332 |
6 | 11444124420 |
7 | 1642630323 |
oct | 453604574 |
9 | 173767553 |
10 | 78580092 |
11 | 403a1428 |
12 | 22396710 |
13 | 13383cc6 |
14 | a6170ba |
15 | 6d72ecc |
hex | 4af097c |
78580092 has 24 divisors (see below), whose sum is σ = 187618816. Its totient is φ = 25584048.
The previous prime is 78580003. The next prime is 78580097. The reversal of 78580092 is 29008587.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 78580092.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78580097) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75628 + ... + 76659.
Almost surely, 278580092 is an apocalyptic number.
It is an amenable number.
78580092 is an abundant number, since it is smaller than the sum of its proper divisors (109038724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78580092 is a wasteful number, since it uses less digits than its factorization.
78580092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152337 (or 152335 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 39.
The square root of 78580092 is about 8864.5412740875. The cubic root of 78580092 is about 428.3224562165.
The spelling of 78580092 in words is "seventy-eight million, five hundred eighty thousand, ninety-two".
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