Base | Representation |
---|---|
bin | 1101101000001… |
… | …1110011111101 |
3 | 10222120011220100 |
4 | 3122003303331 |
5 | 104113204010 |
6 | 5401111313 |
7 | 1262606664 |
oct | 332036375 |
9 | 128504810 |
10 | 57163005 |
11 | 2a2a3459 |
12 | 17188539 |
13 | bac5883 |
14 | 783dddb |
15 | 50422c0 |
hex | 3683cfd |
57163005 has 24 divisors (see below), whose sum is σ = 99274968. Its totient is φ = 30427776.
The previous prime is 57163003. The next prime is 57163019. The reversal of 57163005 is 50036175.
It can be written as a sum of positive squares in 4 ways, for example, as 18896409 + 38266596 = 4347^2 + 6186^2 .
It is not a de Polignac number, because 57163005 - 21 = 57163003 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 57163005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57163003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32119 + ... + 33851.
It is an arithmetic number, because the mean of its divisors is an integer number (4136457).
Almost surely, 257163005 is an apocalyptic number.
It is an amenable number.
57163005 is a deficient number, since it is larger than the sum of its proper divisors (42111963).
57163005 is a wasteful number, since it uses less digits than its factorization.
57163005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2477 (or 2474 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 27.
The square root of 57163005 is about 7560.6219982221. The cubic root of 57163005 is about 385.2166206601.
The spelling of 57163005 in words is "fifty-seven million, one hundred sixty-three thousand, five".
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