Base | Representation |
---|---|
bin | 1101110010000… |
… | …1100001001100 |
3 | 11000210000000001 |
4 | 3130201201030 |
5 | 104244341342 |
6 | 5423014044 |
7 | 1301240164 |
oct | 334414114 |
9 | 130700001 |
10 | 57808972 |
11 | 2a6a4811 |
12 | 1743a324 |
13 | bc908c0 |
14 | 796b5a4 |
15 | 511d8b7 |
hex | 372184c |
57808972 has 12 divisors (see below), whose sum is σ = 108947776. Its totient is φ = 26681040.
The previous prime is 57808969. The next prime is 57808973. The reversal of 57808972 is 27980875.
It is not an unprimeable number, because it can be changed into a prime (57808973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555804 + ... + 555907.
Almost surely, 257808972 is an apocalyptic number.
57808972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
57808972 is a deficient number, since it is larger than the sum of its proper divisors (51138804).
57808972 is a wasteful number, since it uses less digits than its factorization.
57808972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1111728 (or 1111726 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 46.
The square root of 57808972 is about 7603.2211594823. The cubic root of 57808972 is about 386.6622277863.
The spelling of 57808972 in words is "fifty-seven million, eight hundred eight thousand, nine hundred seventy-two".
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