Search a number
-
+
57686324 = 2214421581
BaseRepresentation
bin1101110000001…
…1100100110100
311000112202202112
43130003210310
5104231430244
65420230152
71300216463
oct334034464
9130482675
1057686324
112a620653
121739b358
13bc49b27
1479389da
1550e739e
hex3703934

57686324 has 6 divisors (see below), whose sum is σ = 100951074. Its totient is φ = 28843160.

The previous prime is 57686273. The next prime is 57686327. The reversal of 57686324 is 42368675.

It is a happy number.

57686324 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33988900 + 23697424 = 5830^2 + 4868^2 .

57686324 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57686327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210787 + ... + 7210794.

It is an arithmetic number, because the mean of its divisors is an integer number (16825179).

Almost surely, 257686324 is an apocalyptic number.

It is an amenable number.

57686324 is a deficient number, since it is larger than the sum of its proper divisors (43264750).

57686324 is a wasteful number, since it uses less digits than its factorization.

57686324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14421585 (or 14421583 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 57686324 is about 7595.1513480641. The cubic root of 57686324 is about 386.3885855656.

The spelling of 57686324 in words is "fifty-seven million, six hundred eighty-six thousand, three hundred twenty-four".

Divisors: 1 2 4 14421581 28843162 57686324