Base | Representation |
---|---|
bin | 1101110001011… |
… | …1111101000010 |
3 | 11000201000021000 |
4 | 3130113331002 |
5 | 104242113134 |
6 | 5422112430 |
7 | 1301015025 |
oct | 334277502 |
9 | 130630230 |
10 | 57769794 |
11 | 2a678335 |
12 | 1741b716 |
13 | bc78b14 |
14 | 795b1bc |
15 | 5111e99 |
hex | 3717f42 |
57769794 has 16 divisors (see below), whose sum is σ = 128377440. Its totient is φ = 19256580.
The previous prime is 57769759. The next prime is 57769799. The reversal of 57769794 is 49796775.
It is a happy number.
57769794 is a `hidden beast` number, since 577 + 69 + 7 + 9 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1069811 = 57769794 / (5 + 7 + 7 + 6 + 9 + 7 + 9 + 4).
It is a self number, because there is not a number n which added to its sum of digits gives 57769794.
It is not an unprimeable number, because it can be changed into a prime (57769799) 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, 534852 + ... + 534959.
It is an arithmetic number, because the mean of its divisors is an integer number (8023590).
Almost surely, 257769794 is an apocalyptic number.
57769794 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
57769794 is an abundant number, since it is smaller than the sum of its proper divisors (70607646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57769794 is a wasteful number, since it uses less digits than its factorization.
57769794 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1069822 (or 1069816 counting only the distinct ones).
The product of its digits is 3333960, while the sum is 54.
The square root of 57769794 is about 7600.6443147933. The cubic root of 57769794 is about 386.5748591323.
The spelling of 57769794 in words is "fifty-seven million, seven hundred sixty-nine thousand, seven hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •