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323669 = 2911161
BaseRepresentation
bin1001111000001010101
3121102222202
41033001111
540324134
610534245
72515433
oct1170125
9542882
10323669
112011a5
12137385
13b4428
1485d53
1565d7e
hex4f055

323669 has 4 divisors (see below), whose sum is σ = 334860. Its totient is φ = 312480.

The previous prime is 323651. The next prime is 323699. The reversal of 323669 is 966323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 255025 = 262^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 323669 - 28 = 323413 is a prime.

It is a super-2 number, since 2×3236692 = 209523243122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 11161 = 323669 / (3 + 2 + 3 + 6 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323669.

It is not an unprimeable number, because it can be changed into a prime (323699) 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, 5552 + ... + 5609.

It is an arithmetic number, because the mean of its divisors is an integer number (83715).

2323669 is an apocalyptic number.

It is an amenable number.

323669 is a deficient number, since it is larger than the sum of its proper divisors (11191).

323669 is a wasteful number, since it uses less digits than its factorization.

323669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190.

The product of its digits is 5832, while the sum is 29.

The square root of 323669 is about 568.9191506708. The cubic root of 323669 is about 68.6594576695.

The spelling of 323669 in words is "three hundred twenty-three thousand, six hundred sixty-nine".

Divisors: 1 29 11161 323669