Base | Representation |
---|---|
bin | 1001010010011… |
… | …01101111011000 |
3 | 12102121101121110 |
4 | 10221031233120 |
5 | 124421204143 |
6 | 11421540320 |
7 | 1634151513 |
oct | 451155730 |
9 | 172541543 |
10 | 77913048 |
11 | 3aa86254 |
12 | 221146a0 |
13 | 131ac4c5 |
14 | a4c1d7a |
15 | 6c90533 |
hex | 4a4dbd8 |
77913048 has 32 divisors (see below), whose sum is σ = 196513200. Its totient is φ = 25740288.
The previous prime is 77913041. The next prime is 77913049. The reversal of 77913048 is 84031977.
It is a junction number, because it is equal to n+sod(n) for n = 77912997 and 77913015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77913041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11653 + ... + 17076.
Almost surely, 277913048 is an apocalyptic number.
It is an amenable number.
77913048 is an abundant number, since it is smaller than the sum of its proper divisors (118600152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77913048 is a wasteful number, since it uses less digits than its factorization.
77913048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28851 (or 28847 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 39.
The square root of 77913048 is about 8826.8368060138. The cubic root of 77913048 is about 427.1070415224.
The spelling of 77913048 in words is "seventy-seven million, nine hundred thirteen thousand, forty-eight".
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