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3230145 = 33571337
BaseRepresentation
bin1100010100100111000001
320002002221000
430110213001
51311331040
6153122213
736312222
oct14244701
96062830
103230145
111906946
1210b9369
13891339
14601249
1543c130
hex3149c1

3230145 has 32 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 1693440.

The previous prime is 3230141. The next prime is 3230167. The reversal of 3230145 is 5410323.

It is not a de Polignac number, because 3230145 - 22 = 3230141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3230141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9417 + ... + 9753.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

Almost surely, 23230145 is an apocalyptic number.

It is an amenable number.

3230145 is a deficient number, since it is larger than the sum of its proper divisors (2610495).

3230145 is a wasteful number, since it uses less digits than its factorization.

3230145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3230145 is about 1797.2604151875. The cubic root of 3230145 is about 147.8225441895.

Adding to 3230145 its reverse (5410323), we get a palindrome (8640468).

It can be divided in two parts, 3230 and 145, that added together give a cube (3375 = 153).

The spelling of 3230145 in words is "three million, two hundred thirty thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 71 135 213 337 355 639 1011 1065 1685 1917 3033 3195 5055 9099 9585 15165 23927 45495 71781 119635 215343 358905 646029 1076715 3230145