Search a number
-
+
57309116 = 22124911471
BaseRepresentation
bin1101101010011…
…1011110111100
310222211121022212
43122213132330
5104132342431
65404155552
71264055654
oct332473674
9128747285
1057309116
112a393207
1217238bb8
13bb47227
14787b364
15507072b
hex36a77bc

57309116 has 12 divisors (see below), whose sum is σ = 100380000. Its totient is φ = 28629120.

The previous prime is 57309113. The next prime is 57309127. The reversal of 57309116 is 61190375.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57309113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (8365000).

Almost surely, 257309116 is an apocalyptic number.

It is an amenable number.

57309116 is a deficient number, since it is larger than the sum of its proper divisors (43070884).

57309116 is a wasteful number, since it uses less digits than its factorization.

57309116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724 (or 12722 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 57309116 is about 7570.2784625138. The cubic root of 57309116 is about 385.5445512775.

The spelling of 57309116 in words is "fifty-seven million, three hundred nine thousand, one hundred sixteen".

Divisors: 1 2 4 1249 2498 4996 11471 22942 45884 14327279 28654558 57309116