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3283965 = 32572977
BaseRepresentation
bin1100100001101111111101
320011211202100
430201233331
51320041330
6154215313
736625146
oct14415775
96154670
103283965
111943323
121124539
138ac999
14616acd
1544d060
hex321bfd

3283965 has 12 divisors (see below), whose sum is σ = 5692284. Its totient is φ = 1751424.

The previous prime is 3283939. The next prime is 3283967. The reversal of 3283965 is 5693823.

It can be written as a sum of positive squares in 2 ways, for example, as 793881 + 2490084 = 891^2 + 1578^2 .

It is not a de Polignac number, because 3283965 - 26 = 3283901 is a prime.

It is a super-2 number, since 2×32839652 = 21568852242450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3283967) 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, 36444 + ... + 36533.

It is an arithmetic number, because the mean of its divisors is an integer number (474357).

Almost surely, 23283965 is an apocalyptic number.

It is an amenable number.

3283965 is a deficient number, since it is larger than the sum of its proper divisors (2408319).

3283965 is a wasteful number, since it uses less digits than its factorization.

3283965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72988 (or 72985 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3283965 is about 1812.1713495142. The cubic root of 3283965 is about 148.6390222774.

The spelling of 3283965 in words is "three million, two hundred eighty-three thousand, nine hundred sixty-five".

Divisors: 1 3 5 9 15 45 72977 218931 364885 656793 1094655 3283965