Base | Representation |
---|---|
bin | 1001001010111… |
… | …00010000100100 |
3 | 12100202010210211 |
4 | 10211130100210 |
5 | 124143031230 |
6 | 11344425204 |
7 | 1622562022 |
oct | 445342044 |
9 | 170663724 |
10 | 76923940 |
11 | 3a470105 |
12 | 21918204 |
13 | 12c24232 |
14 | a305712 |
15 | 6b4742a |
hex | 495c424 |
76923940 has 12 divisors (see below), whose sum is σ = 161540316. Its totient is φ = 30769568.
The previous prime is 76923907. The next prime is 76923943. The reversal of 76923940 is 4932967.
It can be written as a sum of positive squares in 2 ways, for example, as 60715264 + 16208676 = 7792^2 + 4026^2 .
It is a junction number, because it is equal to n+sod(n) for n = 76923893 and 76923902.
It is not an unprimeable number, because it can be changed into a prime (76923943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923079 + ... + 1923118.
It is an arithmetic number, because the mean of its divisors is an integer number (13461693).
Almost surely, 276923940 is an apocalyptic number.
It is an amenable number.
76923940 is an abundant number, since it is smaller than the sum of its proper divisors (84616376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76923940 is a wasteful number, since it uses less digits than its factorization.
76923940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3846206 (or 3846204 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 40.
The square root of 76923940 is about 8770.6293958872. The cubic root of 76923940 is about 425.2919608630.
The spelling of 76923940 in words is "seventy-six million, nine hundred twenty-three thousand, nine hundred forty".
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