Search a number
-
+
57342171 = 3191006003
BaseRepresentation
bin1101101010111…
…1100011011011
310222220021200010
43122233203123
5104134422141
65405013003
71264254225
oct332574333
9128807603
1057342171
112a406027
1217254163
13bb592a3
147889415
15507a416
hex36af8db

57342171 has 8 divisors (see below), whose sum is σ = 80480320. Its totient is φ = 36216072.

The previous prime is 57342167. The next prime is 57342191. The reversal of 57342171 is 17124375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57342171 - 22 = 57342167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57342161) 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 7 ways as a sum of consecutive naturals, for example, 502945 + ... + 503058.

It is an arithmetic number, because the mean of its divisors is an integer number (10060040).

Almost surely, 257342171 is an apocalyptic number.

57342171 is a deficient number, since it is larger than the sum of its proper divisors (23138149).

57342171 is a wasteful number, since it uses less digits than its factorization.

57342171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006025.

The product of its digits is 5880, while the sum is 30.

The square root of 57342171 is about 7572.4613567849. The cubic root of 57342171 is about 385.6186623824.

The spelling of 57342171 in words is "fifty-seven million, three hundred forty-two thousand, one hundred seventy-one".

Divisors: 1 3 19 57 1006003 3018009 19114057 57342171