Search a number
-
+
57273013 = 722389571
BaseRepresentation
bin1101101001111…
…0101010110101
310222202202210201
43122132222311
5104130214023
65403320501
71263545500
oct332365265
9128682721
1057273013
112a369076
1217220131
13bb33975
14786c137
155064bad
hex369eab5

57273013 has 24 divisors (see below), whose sum is σ = 70424640. Its totient is φ = 46347840.

The previous prime is 57273001. The next prime is 57273037. The reversal of 57273013 is 31037275.

It is not a de Polignac number, because 57273013 - 25 = 57272981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57273113) 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, 100018 + ... + 100588.

It is an arithmetic number, because the mean of its divisors is an integer number (2934360).

Almost surely, 257273013 is an apocalyptic number.

It is an amenable number.

57273013 is a deficient number, since it is larger than the sum of its proper divisors (13151627).

57273013 is a wasteful number, since it uses less digits than its factorization.

57273013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 57273013 is about 7567.8935642621. The cubic root of 57273013 is about 385.4635738238.

The spelling of 57273013 in words is "fifty-seven million, two hundred seventy-three thousand, thirteen".

Divisors: 1 7 23 49 89 161 571 623 1127 2047 3997 4361 13133 14329 27979 50819 91931 100303 355733 643517 1168837 2490131 8181859 57273013