Base | Representation |
---|---|
bin | 1001001001110… |
… | …11100110011001 |
3 | 12100111100022100 |
4 | 10210323212121 |
5 | 124124241134 |
6 | 11341514013 |
7 | 1621464021 |
oct | 444734631 |
9 | 170440270 |
10 | 76790169 |
11 | 3a389655 |
12 | 21872909 |
13 | 12ba8391 |
14 | a2aca81 |
15 | 6b1c999 |
hex | 493b999 |
76790169 has 27 divisors (see below), whose sum is σ = 116871573. Its totient is φ = 48582072.
The previous prime is 76790149. The next prime is 76790177. The reversal of 76790169 is 96109767.
The square root of 76790169 is 8763.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 76790169 - 25 = 76790137 is a prime.
It is a super-2 number, since 2×767901692 = 11793460110097122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (76790149) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 604584 + ... + 604710.
Almost surely, 276790169 is an apocalyptic number.
76790169 is the 8763-rd square number.
76790169 is the 4382-nd centered octagonal number.
It is an amenable number.
76790169 is a deficient number, since it is larger than the sum of its proper divisors (40081404).
76790169 is a wasteful number, since it uses less digits than its factorization.
76790169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306 (or 153 counting only the distinct ones).
The product of its (nonzero) digits is 142884, while the sum is 45.
The cubic root of 76790169 is about 425.0452897526.
Multiplying 76790169 by its product of nonzero digits (142884), we get a square (10972086507396 = 33124142).
The spelling of 76790169 in words is "seventy-six million, seven hundred ninety thousand, one hundred sixty-nine".
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