Search a number
-
+
3652945 = 5730589
BaseRepresentation
bin1101111011110101010001
320212120220021
431323311101
51413343240
6210143441
743022662
oct15736521
96776807
103652945
11207556a
121281b81
139ab90a
146b1369
154c254a
hex37bd51

3652945 has 4 divisors (see below), whose sum is σ = 4383540. Its totient is φ = 2922352.

The previous prime is 3652939. The next prime is 3652949. The reversal of 3652945 is 5492563.

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 1256641 + 2396304 = 1121^2 + 1548^2 .

It is a cyclic number.

It is not a de Polignac number, because 3652945 - 23 = 3652937 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3652945.

It is not an unprimeable number, because it can be changed into a prime (3652949) 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, 365290 + ... + 365299.

It is an arithmetic number, because the mean of its divisors is an integer number (1095885).

Almost surely, 23652945 is an apocalyptic number.

It is an amenable number.

3652945 is a deficient number, since it is larger than the sum of its proper divisors (730595).

3652945 is an equidigital number, since it uses as much as digits as its factorization.

3652945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730594.

The product of its digits is 32400, while the sum is 34.

The square root of 3652945 is about 1911.2679037749. The cubic root of 3652945 is about 154.0095710024.

The spelling of 3652945 in words is "three million, six hundred fifty-two thousand, nine hundred forty-five".

Divisors: 1 5 730589 3652945