Base | Representation |
---|---|
bin | 1101100110110… |
… | …1000110010011 |
3 | 10222101110021122 |
4 | 3121231012103 |
5 | 104102214341 |
6 | 5355112455 |
7 | 1262041520 |
oct | 331550623 |
9 | 128343248 |
10 | 57069971 |
11 | 2a23a572 |
12 | 1714272b |
13 | ba9241a |
14 | 7818147 |
15 | 502494b |
hex | 366d193 |
57069971 has 8 divisors (see below), whose sum is σ = 65639520. Its totient is φ = 48604608.
The previous prime is 57069967. The next prime is 57069979. The reversal of 57069971 is 17996075.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57069971 - 22 = 57069967 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57069979) 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, 24866 + ... + 27063.
It is an arithmetic number, because the mean of its divisors is an integer number (8204940).
Almost surely, 257069971 is an apocalyptic number.
57069971 is a deficient number, since it is larger than the sum of its proper divisors (8569549).
57069971 is a wasteful number, since it uses less digits than its factorization.
57069971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52093.
The product of its (nonzero) digits is 119070, while the sum is 44.
The square root of 57069971 is about 7554.4669567085. The cubic root of 57069971 is about 385.0075244496.
The spelling of 57069971 in words is "fifty-seven million, sixty-nine thousand, nine hundred seventy-one".
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