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2669697 = 321717449
BaseRepresentation
bin1010001011110010000001
312000122010200
422023302001
51140412242
6133115413
731456242
oct12136201
95018120
102669697
111563868
12a88b69
13726204
144d6cc9
1537b04c
hex28bc81

2669697 has 12 divisors (see below), whose sum is σ = 4083300. Its totient is φ = 1675008.

The previous prime is 2669687. The next prime is 2669699. The reversal of 2669697 is 7969662.

It can be written as a sum of positive squares in 2 ways, for example, as 2461761 + 207936 = 1569^2 + 456^2 .

It is not a de Polignac number, because 2669697 - 212 = 2665601 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2669699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8572 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (340275).

22669697 is an apocalyptic number.

It is an amenable number.

2669697 is a deficient number, since it is larger than the sum of its proper divisors (1413603).

2669697 is a wasteful number, since it uses less digits than its factorization.

2669697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17472 (or 17469 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 2669697 is about 1633.9207447119. The cubic root of 2669697 is about 138.7247628801.

The spelling of 2669697 in words is "two million, six hundred sixty-nine thousand, six hundred ninety-seven".

Divisors: 1 3 9 17 51 153 17449 52347 157041 296633 889899 2669697