Search a number
-
+
3123868 = 221170997
BaseRepresentation
bin1011111010101010011100
312212201010211
423322222130
51244430433
6150542204
735360326
oct13725234
95781124
103123868
111844010
121067964
13854b57
145b4616
1541a8cd
hex2faa9c

3123868 has 12 divisors (see below), whose sum is σ = 5963832. Its totient is φ = 1419920.

The previous prime is 3123863. The next prime is 3123881. The reversal of 3123868 is 8683213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123863) 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 3 ways as a sum of consecutive naturals, for example, 35455 + ... + 35542.

It is an arithmetic number, because the mean of its divisors is an integer number (496986).

Almost surely, 23123868 is an apocalyptic number.

It is an amenable number.

3123868 is a deficient number, since it is larger than the sum of its proper divisors (2839964).

3123868 is a wasteful number, since it uses less digits than its factorization.

3123868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71012 (or 71010 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 3123868 is about 1767.4467460153. The cubic root of 3123868 is about 146.1832315089.

The spelling of 3123868 in words is "three million, one hundred twenty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 70997 141994 283988 780967 1561934 3123868