Search a number
-
+
3055857 = 37145517
BaseRepresentation
bin1011101010000011110001
312202020211220
423222003301
51240241412
6145255253
734655130
oct13520361
95666756
103055857
1117a7a02
121034529
1382cbcc
14597917
1540568c
hex2ea0f1

3055857 has 8 divisors (see below), whose sum is σ = 4656576. Its totient is φ = 1746192.

The previous prime is 3055847. The next prime is 3055873. The reversal of 3055857 is 7585503.

3055857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3055857 - 28 = 3055601 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

3055857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3055807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72738 + ... + 72779.

It is an arithmetic number, because the mean of its divisors is an integer number (582072).

Almost surely, 23055857 is an apocalyptic number.

It is an amenable number.

3055857 is a deficient number, since it is larger than the sum of its proper divisors (1600719).

3055857 is a wasteful number, since it uses less digits than its factorization.

3055857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145527.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 3055857 is about 1748.1009696239. The cubic root of 3055857 is about 145.1145666096.

The spelling of 3055857 in words is "three million, fifty-five thousand, eight hundred fifty-seven".

Divisors: 1 3 7 21 145517 436551 1018619 3055857