Search a number
-
+
57090173 = 717347143
BaseRepresentation
bin1101100111001…
…0000001111101
310222102110222212
43121302001331
5104103341143
65355350205
71262154440
oct331620175
9128373885
1057090173
112a253768
1217152365
13ba9b68a
147821657
15502a918
hex367207d

57090173 has 8 divisors (see below), whose sum is σ = 65624448. Its totient is φ = 48650544.

The previous prime is 57090151. The next prime is 57090179. The reversal of 57090173 is 37109075.

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

It is a cyclic number.

It is not a de Polignac number, because 57090173 - 26 = 57090109 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 (57090179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22361 + ... + 24782.

It is an arithmetic number, because the mean of its divisors is an integer number (8203056).

Almost surely, 257090173 is an apocalyptic number.

It is an amenable number.

57090173 is a deficient number, since it is larger than the sum of its proper divisors (8534275).

57090173 is a wasteful number, since it uses less digits than its factorization.

57090173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47323.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 57090173 is about 7555.8039281072. The cubic root of 57090173 is about 385.0529482471.

The spelling of 57090173 in words is "fifty-seven million, ninety thousand, one hundred seventy-three".

Divisors: 1 7 173 1211 47143 330001 8155739 57090173