Search a number
-
+
3105012 = 223416311
BaseRepresentation
bin1011110110000011110100
312211202021110
423312003310
51243330022
6150315020
735251341
oct13660364
95752243
103105012
111830929
121058a70
138493b1
145ab7c8
1541500c
hex2f60f4

3105012 has 24 divisors (see below), whose sum is σ = 7422912. Its totient is φ = 1009600.

The previous prime is 3105007. The next prime is 3105041. The reversal of 3105012 is 2105013.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2664 + ... + 3647.

It is an arithmetic number, because the mean of its divisors is an integer number (309288).

Almost surely, 23105012 is an apocalyptic number.

It is an amenable number.

3105012 is an abundant number, since it is smaller than the sum of its proper divisors (4317900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3105012 is a wasteful number, since it uses less digits than its factorization.

3105012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359 (or 6357 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 3105012 is about 1762.1044236934. The cubic root of 3105012 is about 145.8885118725. Note that the first 3 decimals are identical.

Subtracting from 3105012 its reverse (2105013), we obtain a palindrome (999999).

The spelling of 3105012 in words is "three million, one hundred five thousand, twelve".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 6311 12622 18933 25244 37866 75732 258751 517502 776253 1035004 1552506 3105012