Base | Representation |
---|---|
bin | 1001001011110… |
… | …01000110111100 |
3 | 12100222010220102 |
4 | 10211321012330 |
5 | 124210321413 |
6 | 11351140232 |
7 | 1623563363 |
oct | 445710674 |
9 | 170863812 |
10 | 77042108 |
11 | 3a540970 |
12 | 21974678 |
13 | 12c65c60 |
14 | a3367da |
15 | 6b6c458 |
hex | 49791bc |
77042108 has 36 divisors (see below), whose sum is σ = 158827032. Its totient is φ = 32237280.
The previous prime is 77042101. The next prime is 77042117. The reversal of 77042108 is 80124077.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77042101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209741 + ... + 210107.
It is an arithmetic number, because the mean of its divisors is an integer number (4411862).
Almost surely, 277042108 is an apocalyptic number.
It is an amenable number.
77042108 is an abundant number, since it is smaller than the sum of its proper divisors (81784924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77042108 is a wasteful number, since it uses less digits than its factorization.
77042108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762 (or 393 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 29.
The square root of 77042108 is about 8777.3633854364. The cubic root of 77042108 is about 425.5096225713.
The spelling of 77042108 in words is "seventy-seven million, forty-two thousand, one hundred eight".
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