Search a number
-
+
57267013 = 314342961
BaseRepresentation
bin1101101001110…
…1001101000101
310222202110120111
43122131031011
5104130021023
65403233021
71263522136
oct332351505
9128673514
1057267013
112a364611
1217218771
13bb3100b
147869c8d
15506300d
hex369d345

57267013 has 8 divisors (see below), whose sum is σ = 60490496. Its totient is φ = 54129600.

The previous prime is 57267011. The next prime is 57267019. The reversal of 57267013 is 31076275.

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 57267013 - 21 = 57267011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57267011) 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, 20148 + ... + 22813.

It is an arithmetic number, because the mean of its divisors is an integer number (7561312).

Almost surely, 257267013 is an apocalyptic number.

It is an amenable number.

57267013 is a deficient number, since it is larger than the sum of its proper divisors (3223483).

57267013 is a wasteful number, since it uses less digits than its factorization.

57267013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43035.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 57267013 is about 7567.4971423847. The cubic root of 57267013 is about 385.4501127881.

The spelling of 57267013 in words is "fifty-seven million, two hundred sixty-seven thousand, thirteen".

Divisors: 1 31 43 1333 42961 1331791 1847323 57267013