Base | Representation |
---|---|
bin | 1001001010100… |
… | …10110100100000 |
3 | 12100200011202222 |
4 | 10211102310200 |
5 | 124140312110 |
6 | 11343530212 |
7 | 1622341223 |
oct | 445226440 |
9 | 170604688 |
10 | 76885280 |
11 | 3a44405a |
12 | 218b9968 |
13 | 12c0c764 |
14 | a2d55ba |
15 | 6b3ac55 |
hex | 4952d20 |
76885280 has 24 divisors (see below), whose sum is σ = 181641852. Its totient is φ = 30754048.
The previous prime is 76885273. The next prime is 76885283. The reversal of 76885280 is 8258867.
It can be written as a sum of positive squares in 2 ways, for example, as 69022864 + 7862416 = 8308^2 + 2804^2 .
It is a super-2 number, since 2×768852802 = 11822692561356800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (76885283) 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, 240107 + ... + 240426.
Almost surely, 276885280 is an apocalyptic number.
It is an amenable number.
76885280 is an abundant number, since it is smaller than the sum of its proper divisors (104756572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76885280 is a wasteful number, since it uses less digits than its factorization.
76885280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480548 (or 480540 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 44.
The square root of 76885280 is about 8768.4251721732. The cubic root of 76885280 is about 425.2207019789.
The spelling of 76885280 in words is "seventy-six million, eight hundred eighty-five thousand, two hundred eighty".
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