Base | Representation |
---|---|
bin | 1001010011011… |
… | …11111001001110 |
3 | 12102212111111201 |
4 | 10221233321032 |
5 | 124440143232 |
6 | 11424540114 |
7 | 1635303412 |
oct | 451577116 |
9 | 172774451 |
10 | 78052942 |
11 | 40071370 |
12 | 2218163a |
13 | 1322b096 |
14 | a51ad42 |
15 | 6cbbbe7 |
hex | 4a6fe4e |
78052942 has 16 divisors (see below), whose sum is σ = 128857392. Its totient is φ = 35163520.
The previous prime is 78052939. The next prime is 78052963. The reversal of 78052942 is 24925087.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13213 + ... + 18184.
It is an arithmetic number, because the mean of its divisors is an integer number (8053587).
Almost surely, 278052942 is an apocalyptic number.
78052942 is a deficient number, since it is larger than the sum of its proper divisors (50804450).
78052942 is a wasteful number, since it uses less digits than its factorization.
78052942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31523.
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 78052942 is about 8834.7576084463. The cubic root of 78052942 is about 427.3625142968.
The spelling of 78052942 in words is "seventy-eight million, fifty-two thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •