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2122669 = 13915271
BaseRepresentation
bin1000000110001110101101
310222211202101
420012032231
51020411134
6113255101
724020353
oct10061655
93884671
102122669
11121a87a
12864491
13594223
143d37d3
152bde14
hex2063ad

2122669 has 4 divisors (see below), whose sum is σ = 2138080. Its totient is φ = 2107260.

The previous prime is 2122667. The next prime is 2122691. The reversal of 2122669 is 9662212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122669 - 21 = 2122667 is a prime.

It is a super-2 number, since 2×21226692 = 9011447367122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122667) 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, 7497 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (534520).

22122669 is an apocalyptic number.

It is an amenable number.

2122669 is a deficient number, since it is larger than the sum of its proper divisors (15411).

2122669 is a wasteful number, since it uses less digits than its factorization.

2122669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15410.

The product of its digits is 2592, while the sum is 28.

The square root of 2122669 is about 1456.9382279287. The cubic root of 2122669 is about 128.5170532561.

The spelling of 2122669 in words is "two million, one hundred twenty-two thousand, six hundred sixty-nine".

Divisors: 1 139 15271 2122669