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323965969 = 3741213557
BaseRepresentation
bin10011010011110…
…101010000010001
3211120121011202121
4103103311100101
51130413402334
652051414241
711012444125
oct2323652021
9746534677
10323965969
11156963478
12905b4381
135216c452
1431051585
151d694db4
hex134f5411

323965969 has 8 divisors (see below), whose sum is σ = 340838568. Its totient is φ = 307520640.

The previous prime is 323965949. The next prime is 323966009. The reversal of 323965969 is 969569323.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65399569 + 258566400 = 8087^2 + 16080^2 .

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 323965969 - 211 = 323963921 is a prime.

It is a super-2 number, since 2×3239659692 = 209907898140217922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323965949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105262 + ... + 108295.

It is an arithmetic number, because the mean of its divisors is an integer number (42604821).

Almost surely, 2323965969 is an apocalyptic number.

It is an amenable number.

323965969 is a deficient number, since it is larger than the sum of its proper divisors (16872599).

323965969 is a wasteful number, since it uses less digits than its factorization.

323965969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213635.

The product of its digits is 2361960, while the sum is 52.

The square root of 323965969 is about 17999.0546696208. The cubic root of 323965969 is about 686.8044979182.

The spelling of 323965969 in words is "three hundred twenty-three million, nine hundred sixty-five thousand, nine hundred sixty-nine".

Divisors: 1 37 41 1517 213557 7901609 8755837 323965969