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3315969 = 321721673
BaseRepresentation
bin1100101001100100000001
320020110122200
430221210001
51322102334
6155023413
740120356
oct14514401
96213580
103315969
111965378
12113ab69
138c1417
1462462d
15457799
hex329901

3315969 has 12 divisors (see below), whose sum is σ = 5071716. Its totient is φ = 2080512.

The previous prime is 3315943. The next prime is 3315971. The reversal of 3315969 is 9695133.

It can be written as a sum of positive squares in 2 ways, for example, as 3027600 + 288369 = 1740^2 + 537^2 .

It is not a de Polignac number, because 3315969 - 29 = 3315457 is a prime.

It is a super-2 number, since 2×33159692 = 21991300817922, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (3315929) 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, 10684 + ... + 10989.

It is an arithmetic number, because the mean of its divisors is an integer number (422643).

Almost surely, 23315969 is an apocalyptic number.

It is an amenable number.

3315969 is a deficient number, since it is larger than the sum of its proper divisors (1755747).

3315969 is a wasteful number, since it uses less digits than its factorization.

3315969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21696 (or 21693 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 3315969 is about 1820.9802305352. The cubic root of 3315969 is about 149.1203178133.

The spelling of 3315969 in words is "three million, three hundred fifteen thousand, nine hundred sixty-nine".

Divisors: 1 3 9 17 51 153 21673 65019 195057 368441 1105323 3315969