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6222402 = 232345689
BaseRepresentation
bin10111101111001001000010
3102201010112100
4113233021002
53043104102
6341211230
7103614054
oct27571102
912633470
106222402
11356aa8a
122100b16
13139b2c4
14b7d8d4
1582da1c
hex5ef242

6222402 has 12 divisors (see below), whose sum is σ = 13481910. Its totient is φ = 2074128.

The previous prime is 6222383. The next prime is 6222407. The reversal of 6222402 is 2042226.

It is a happy number.

6222402 is a `hidden beast` number, since 622 + 2 + 40 + 2 = 666.

6222402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5716881 + 505521 = 2391^2 + 711^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 345689 = 6222402 / (6 + 2 + 2 + 2 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (6222407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172827 + ... + 172862.

Almost surely, 26222402 is an apocalyptic number.

6222402 is an abundant number, since it is smaller than the sum of its proper divisors (7259508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6222402 is a wasteful number, since it uses less digits than its factorization.

6222402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345697 (or 345694 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 6222402 is about 2494.4742933131. The cubic root of 6222402 is about 183.9300498128.

Adding to 6222402 its reverse (2042226), we get a palindrome (8264628).

The spelling of 6222402 in words is "six million, two hundred twenty-two thousand, four hundred two".

Divisors: 1 2 3 6 9 18 345689 691378 1037067 2074134 3111201 6222402