Search a number
-
+
2190914 = 211531879
BaseRepresentation
bin1000010110111001000010
311010022100222
420112321002
51030102124
6114543042
724423335
oct10267102
94108328
102190914
111267080
12897a82
135b92cb
1441061c
152d425e
hex216e42

2190914 has 16 divisors (see below), whose sum is σ = 3654720. Its totient is φ = 976560.

The previous prime is 2190901. The next prime is 2190959. The reversal of 2190914 is 4190912.

It is an Ulam 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, 227 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (228420).

22190914 is an apocalyptic number.

2190914 is a deficient number, since it is larger than the sum of its proper divisors (1463806).

2190914 is a wasteful number, since it uses less digits than its factorization.

2190914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2190914 is about 1480.1736384627. The cubic root of 2190914 is about 129.8798495393.

The spelling of 2190914 in words is "two million, one hundred ninety thousand, nine hundred fourteen".

Divisors: 1 2 11 22 53 106 583 1166 1879 3758 20669 41338 99587 199174 1095457 2190914