Search a number
-
+
57045313 = 1323190787
BaseRepresentation
bin1101100110011…
…1000101000001
310222100012110101
43121213011001
5104100422223
65354402401
71261606603
oct331470501
9128305411
1057045313
112a222a96
1217130401
13ba84130
14780d173
15501c4ad
hex3667141

57045313 has 8 divisors (see below), whose sum is σ = 64104768. Its totient is φ = 50367504.

The previous prime is 57045299. The next prime is 57045323. The reversal of 57045313 is 31354075.

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 57045313 - 225 = 23490881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57045323) 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, 95095 + ... + 95692.

It is an arithmetic number, because the mean of its divisors is an integer number (8013096).

Almost surely, 257045313 is an apocalyptic number.

It is an amenable number.

57045313 is a deficient number, since it is larger than the sum of its proper divisors (7059455).

57045313 is a wasteful number, since it uses less digits than its factorization.

57045313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190823.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 57045313 is about 7552.8347658346. The cubic root of 57045313 is about 384.9520668947.

Adding to 57045313 its reverse (31354075), we get a palindrome (88399388).

The spelling of 57045313 in words is "fifty-seven million, forty-five thousand, three hundred thirteen".

Divisors: 1 13 23 299 190787 2480231 4388101 57045313