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304442442 = 2335637823
BaseRepresentation
bin10010001001010…
…110110001001010
3210012212021112000
4102021112301022
51110414124232
650113131430
710354501203
oct2211266112
9705767460
10304442442
11146939127
1285b59b76
134b0c4b75
142c60c5aa
151bada27c
hex12256c4a

304442442 has 16 divisors (see below), whose sum is σ = 676538880. Its totient is φ = 101480796.

The previous prime is 304442431. The next prime is 304442449. The reversal of 304442442 is 244244403.

It is a happy number.

304442442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (304442449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2818858 + ... + 2818965.

It is an arithmetic number, because the mean of its divisors is an integer number (42283680).

Almost surely, 2304442442 is an apocalyptic number.

304442442 is an abundant number, since it is smaller than the sum of its proper divisors (372096438).

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

304442442 is a wasteful number, since it uses less digits than its factorization.

304442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637834 (or 5637828 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 304442442 is about 17448.2790555401. The cubic root of 304442442 is about 672.7211247983.

Adding to 304442442 its reverse (244244403), we get a palindrome (548686845).

The spelling of 304442442 in words is "three hundred four million, four hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 5637823 11275646 16913469 33826938 50740407 101480814 152221221 304442442