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2122143 = 32293089
BaseRepresentation
bin1000000110000110011111
310222211000220
420012012133
51020402033
6113252423
724016002
oct10060637
93884026
102122143
11121a441
12864113
13593c0a
143d3539
152bdbb3
hex20619f

2122143 has 8 divisors (see below), whose sum is σ = 2842800. Its totient is φ = 1408128.

The previous prime is 2122139. The next prime is 2122151. The reversal of 2122143 is 3412212.

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

It is not a de Polignac number, because 2122143 - 22 = 2122139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (355350).

22122143 is an apocalyptic number.

2122143 is a deficient number, since it is larger than the sum of its proper divisors (720657).

2122143 is a wasteful number, since it uses less digits than its factorization.

2122143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321.

The product of its digits is 96, while the sum is 15.

The square root of 2122143 is about 1456.7577011981. The cubic root of 2122143 is about 128.5064368177.

Adding to 2122143 its reverse (3412212), we get a palindrome (5534355).

The spelling of 2122143 in words is "two million, one hundred twenty-two thousand, one hundred forty-three".

Divisors: 1 3 229 687 3089 9267 707381 2122143