Search a number
-
+
57023151 = 3171118101
BaseRepresentation
bin1101100110000…
…1101010101111
310222022002001120
43121201222233
5104044220101
65354112023
71261455153
oct331415257
9128262046
1057023151
112a208379
121711b613
13ba77013
147805063
155015b36
hex3661aaf

57023151 has 8 divisors (see below), whose sum is σ = 80503344. Its totient is φ = 35779200.

The previous prime is 57023149. The next prime is 57023207. The reversal of 57023151 is 15132075.

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

It is not a de Polignac number, because 57023151 - 21 = 57023149 is a prime.

It is a super-3 number, since 3×570231513 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57023111) 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, 559000 + ... + 559101.

It is an arithmetic number, because the mean of its divisors is an integer number (10062918).

Almost surely, 257023151 is an apocalyptic number.

57023151 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

57023151 is a deficient number, since it is larger than the sum of its proper divisors (23480193).

57023151 is a wasteful number, since it uses less digits than its factorization.

57023151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118121.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 57023151 is about 7551.3674920507. The cubic root of 57023151 is about 384.9022093791.

The spelling of 57023151 in words is "fifty-seven million, twenty-three thousand, one hundred fifty-one".

Divisors: 1 3 17 51 1118101 3354303 19007717 57023151