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4212365 = 5842473
BaseRepresentation
bin10000000100011010001101
321221000021112
4100010122031
52034243430
6230141405
750542643
oct20043215
97830245
104212365
1124178a3
1214b1865
13b46431
147b9193
15583195
hex40468d

4212365 has 4 divisors (see below), whose sum is σ = 5054844. Its totient is φ = 3369888.

The previous prime is 4212361. The next prime is 4212367. The reversal of 4212365 is 5632124.

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 609961 + 3602404 = 781^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 4212365 - 22 = 4212361 is a prime.

It is a d-powerful number, because it can be written as 42 + 24 + 1 + 222 + 37 + 63 + 56 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4212365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212361) 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, 421232 + ... + 421241.

It is an arithmetic number, because the mean of its divisors is an integer number (1263711).

Almost surely, 24212365 is an apocalyptic number.

It is an amenable number.

4212365 is a deficient number, since it is larger than the sum of its proper divisors (842479).

4212365 is an equidigital number, since it uses as much as digits as its factorization.

4212365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842478.

The product of its digits is 1440, while the sum is 23.

The square root of 4212365 is about 2052.4046871901. The cubic root of 4212365 is about 161.5010431676.

Adding to 4212365 its reverse (5632124), we get a palindrome (9844489).

The spelling of 4212365 in words is "four million, two hundred twelve thousand, three hundred sixty-five".

Divisors: 1 5 842473 4212365