Base | Representation |
---|---|
bin | 110001011001011… |
… | …101100001000000 |
3 | 2010202110021100201 |
4 | 301121131201000 |
5 | 3144130224310 |
6 | 214123054544 |
7 | 26352220213 |
oct | 6131354100 |
9 | 2122407321 |
10 | 828758080 |
11 | 3958a3237 |
12 | 1b1671454 |
13 | 1029117c7 |
14 | 7c0d377a |
15 | 4cb57e3a |
hex | 3165d840 |
828758080 has 56 divisors (see below), whose sum is σ = 2059301952. Its totient is φ = 317087232.
The previous prime is 828758069. The next prime is 828758081. The reversal of 828758080 is 80857828.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a self number, because there is not a number n which added to its sum of digits gives 828758080.
It is not an unprimeable number, because it can be changed into a prime (828758081) 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, 48942 + ... + 63661.
Almost surely, 2828758080 is an apocalyptic number.
828758080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
828758080 is an abundant number, since it is smaller than the sum of its proper divisors (1230543872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
828758080 is a wasteful number, since it uses less digits than its factorization.
828758080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112643 (or 112633 counting only the distinct ones).
The product of its (nonzero) digits is 286720, while the sum is 46.
The square root of 828758080 is about 28788.1586767893. The cubic root of 828758080 is about 939.3106761565.
The spelling of 828758080 in words is "eight hundred twenty-eight million, seven hundred fifty-eight thousand, eighty".
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