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2122943 = 17472657
BaseRepresentation
bin1000000110010010111111
310222212010112
420012102333
51020413233
6113300235
724021224
oct10062277
93885115
102122943
11121aaa9
1286467b
135943a4
143d394b
152be048
hex2064bf

2122943 has 8 divisors (see below), whose sum is σ = 2296512. Its totient is φ = 1954816.

The previous prime is 2122937. The next prime is 2122957. The reversal of 2122943 is 3492212.

2122943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122943 - 218 = 1860799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122963) 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 7 ways as a sum of consecutive naturals, for example, 530 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (287064).

22122943 is an apocalyptic number.

2122943 is a deficient number, since it is larger than the sum of its proper divisors (173569).

2122943 is a wasteful number, since it uses less digits than its factorization.

2122943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721.

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

The square root of 2122943 is about 1457.0322577074. The cubic root of 2122943 is about 128.5225827974.

The spelling of 2122943 in words is "two million, one hundred twenty-two thousand, nine hundred forty-three".

Divisors: 1 17 47 799 2657 45169 124879 2122943