Search a number
-
+
22656057 = 313157649
BaseRepresentation
bin101011001101…
…1010000111001
31120122001021020
41112123100321
521244443212
62125333053
7363400434
oct126332071
946561236
1022656057
1111874916
127707189
134903368
14301a81b
151ec7d8c
hex159b439

22656057 has 8 divisors (see below), whose sum is σ = 30439200. Its totient is φ = 14988480.

The previous prime is 22656043. The next prime is 22656083. The reversal of 22656057 is 75065622.

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

It is not a de Polignac number, because 22656057 - 24 = 22656041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22656157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28432 + ... + 29217.

It is an arithmetic number, because the mean of its divisors is an integer number (3804900).

Almost surely, 222656057 is an apocalyptic number.

It is an amenable number.

22656057 is a deficient number, since it is larger than the sum of its proper divisors (7783143).

22656057 is a wasteful number, since it uses less digits than its factorization.

22656057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57783.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 22656057 is about 4759.8379174085. The cubic root of 22656057 is about 282.9619955042.

The spelling of 22656057 in words is "twenty-two million, six hundred fifty-six thousand, fifty-seven".

Divisors: 1 3 131 393 57649 172947 7552019 22656057