Base | Representation |
---|---|
bin | 1101110011011… |
… | …1111001011111 |
3 | 11000221122202010 |
4 | 3130313321133 |
5 | 104310310024 |
6 | 5425002303 |
7 | 1302101346 |
oct | 334677137 |
9 | 130848663 |
10 | 57900639 |
11 | 2a757675 |
12 | 17483393 |
13 | bcc3544 |
14 | 7992b5d |
15 | 513ab29 |
hex | 3737e5f |
57900639 has 8 divisors (see below), whose sum is σ = 77236272. Its totient is φ = 38582720.
The previous prime is 57900613. The next prime is 57900643. The reversal of 57900639 is 93600975.
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 57900639 - 28 = 57900383 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 57900597 and 57900606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57900649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9157 + ... + 14129.
It is an arithmetic number, because the mean of its divisors is an integer number (9654534).
Almost surely, 257900639 is an apocalyptic number.
57900639 is a deficient number, since it is larger than the sum of its proper divisors (19335633).
57900639 is a wasteful number, since it uses less digits than its factorization.
57900639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8857.
The product of its (nonzero) digits is 51030, while the sum is 39.
The square root of 57900639 is about 7609.2469404009. The cubic root of 57900639 is about 386.8664950896.
The spelling of 57900639 in words is "fifty-seven million, nine hundred thousand, six hundred thirty-nine".
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