Search a number
-
+
57346189 = 371549897
BaseRepresentation
bin1101101011000…
…0100010001101
310222220111011221
43122300202031
5104140034224
65405043341
71264302025
oct332604215
9128814157
1057346189
112a40904a
1217256551
13bb5b074
14788aa85
15507b6e4
hex36b088d

57346189 has 4 divisors (see below), whose sum is σ = 58896124. Its totient is φ = 55796256.

The previous prime is 57346183. The next prime is 57346217. The reversal of 57346189 is 98164375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52809289 + 4536900 = 7267^2 + 2130^2 .

It is a cyclic number.

It is not a de Polignac number, because 57346189 - 29 = 57345677 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 (57346183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774912 + ... + 774985.

It is an arithmetic number, because the mean of its divisors is an integer number (14724031).

Almost surely, 257346189 is an apocalyptic number.

It is an amenable number.

57346189 is a deficient number, since it is larger than the sum of its proper divisors (1549935).

57346189 is a wasteful number, since it uses less digits than its factorization.

57346189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549934.

The product of its digits is 181440, while the sum is 43.

The square root of 57346189 is about 7572.7266555713. The cubic root of 57346189 is about 385.6276690150.

The spelling of 57346189 in words is "fifty-seven million, three hundred forty-six thousand, one hundred eighty-nine".

Divisors: 1 37 1549897 57346189