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2144372 = 223714489
BaseRepresentation
bin1000001011100001110100
311000221112012
420023201310
51022104442
6113543352
724140546
oct10134164
94027465
102144372
11123510a
12874b58
135a1079
143db696
152c5582
hex20b874

2144372 has 12 divisors (see below), whose sum is σ = 3854340. Its totient is φ = 1043136.

The previous prime is 2144371. The next prime is 2144383. The reversal of 2144372 is 2734412.

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 1008016 = 1066^2 + 1004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7097 + ... + 7392.

It is an arithmetic number, because the mean of its divisors is an integer number (321195).

22144372 is an apocalyptic number.

It is an amenable number.

2144372 is a deficient number, since it is larger than the sum of its proper divisors (1709968).

2144372 is a wasteful number, since it uses less digits than its factorization.

2144372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530 (or 14528 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 2144372 is about 1464.3674402280. The cubic root of 2144372 is about 128.9535718184.

Adding to 2144372 its reverse (2734412), we get a palindrome (4878784).

The spelling of 2144372 in words is "two million, one hundred forty-four thousand, three hundred seventy-two".

Divisors: 1 2 4 37 74 148 14489 28978 57956 536093 1072186 2144372