Base | Representation |
---|---|
bin | 1001001011110… |
… | …01100110001011 |
3 | 12100222020122110 |
4 | 10211321212023 |
5 | 124210402412 |
6 | 11351153403 |
7 | 1623602250 |
oct | 445714613 |
9 | 170866573 |
10 | 77044107 |
11 | 3a542418 |
12 | 21975863 |
13 | 12c66b3a |
14 | a337427 |
15 | 6b6cd3c |
hex | 497998b |
77044107 has 16 divisors (see below), whose sum is σ = 123580160. Its totient is φ = 41707872.
The previous prime is 77044091. The next prime is 77044111. The reversal of 77044107 is 70144077.
It is not a de Polignac number, because 77044107 - 24 = 77044091 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (77044157) 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, 96148 + ... + 96945.
It is an arithmetic number, because the mean of its divisors is an integer number (7723760).
Almost surely, 277044107 is an apocalyptic number.
77044107 is a deficient number, since it is larger than the sum of its proper divisors (46536053).
77044107 is a wasteful number, since it uses less digits than its factorization.
77044107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193122.
The product of its (nonzero) digits is 5488, while the sum is 30.
The square root of 77044107 is about 8777.4772571622. The cubic root of 77044107 is about 425.5133027509.
Subtracting from 77044107 its sum of digits (30), we obtain a palindrome (77044077).
It can be divided in two parts, 7704 and 4107, that added together give a palindrome (11811).
The spelling of 77044107 in words is "seventy-seven million, forty-four thousand, one hundred seven".
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