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2421189 = 321914159
BaseRepresentation
bin1001001111000111000101
311120000020200
421033013011
51104434224
6123521113
726402601
oct11170705
94500220
102421189
111404091
12989199
1366a074
14470501
1532c5c9
hex24f1c5

2421189 has 12 divisors (see below), whose sum is σ = 3681600. Its totient is φ = 1529064.

The previous prime is 2421163. The next prime is 2421203. The reversal of 2421189 is 9811242.

2421189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2421189 - 27 = 2421061 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421109) 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 11 ways as a sum of consecutive naturals, for example, 6909 + ... + 7250.

It is an arithmetic number, because the mean of its divisors is an integer number (306800).

22421189 is an apocalyptic number.

It is an amenable number.

2421189 is a deficient number, since it is larger than the sum of its proper divisors (1260411).

2421189 is a wasteful number, since it uses less digits than its factorization.

2421189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184 (or 14181 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2421189 is about 1556.0170307551. The cubic root of 2421189 is about 134.2794531884.

It can be divided in two parts, 242 and 1189, that added together give a triangular number (1431 = T53).

The spelling of 2421189 in words is "two million, four hundred twenty-one thousand, one hundred eighty-nine".

Divisors: 1 3 9 19 57 171 14159 42477 127431 269021 807063 2421189