Search a number
-
+
2143292 = 221743733
BaseRepresentation
bin1000001011010000111100
311000220001012
420023100330
51022041132
6113534352
724134444
oct10132074
94026035
102143292
111234318
128743b8
135a0728
143db124
152c50b2
hex20b43c

2143292 has 24 divisors (see below), whose sum is σ = 4069296. Its totient is φ = 983808.

The previous prime is 2143279. The next prime is 2143313. The reversal of 2143292 is 2923412.

It is an alternating number because its digits alternate between even and odd.

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, 2558 + ... + 3290.

It is an arithmetic number, because the mean of its divisors is an integer number (169554).

22143292 is an apocalyptic number.

It is an amenable number.

2143292 is a deficient number, since it is larger than the sum of its proper divisors (1926004).

2143292 is a wasteful number, since it uses less digits than its factorization.

2143292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 2143292 is about 1463.9986338791. The cubic root of 2143292 is about 128.9319192872.

The spelling of 2143292 in words is "two million, one hundred forty-three thousand, two hundred ninety-two".

Divisors: 1 2 4 17 34 43 68 86 172 731 733 1462 1466 2924 2932 12461 24922 31519 49844 63038 126076 535823 1071646 2143292