Base | Representation |
---|---|
bin | 1001100111111… |
… | …10101100110100 |
3 | 12121220202122020 |
4 | 10303332230310 |
5 | 131132010103 |
6 | 12002233140 |
7 | 2000144043 |
oct | 463765464 |
9 | 177822566 |
10 | 80735028 |
11 | 41633470 |
12 | 230557b0 |
13 | 13959b0a |
14 | aa1855a |
15 | 714b753 |
hex | 4cfeb34 |
80735028 has 48 divisors (see below), whose sum is σ = 216330240. Its totient is φ = 23176800.
The previous prime is 80734967. The next prime is 80735029. The reversal of 80735028 is 82053708.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a self number, because there is not a number n which added to its sum of digits gives 80735028.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80735029) 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, 13588 + ... + 18603.
It is an arithmetic number, because the mean of its divisors is an integer number (4506880).
Almost surely, 280735028 is an apocalyptic number.
It is an amenable number.
80735028 is an abundant number, since it is smaller than the sum of its proper divisors (135595212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80735028 is a wasteful number, since it uses less digits than its factorization.
80735028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32228 (or 32226 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 80735028 is about 8985.2672748227. The cubic root of 80735028 is about 432.2025584721.
The spelling of 80735028 in words is "eighty million, seven hundred thirty-five thousand, twenty-eight".
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