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344434420 = 225111565611
BaseRepresentation
bin10100100001111…
…010011011110100
3220000010002012101
4110201322123310
51201133400140
654102231444
711351433661
oct2441723364
9800102171
10344434420
11167473750
1297425584
1356487b65
1433a5ca68
152038999a
hex1487a6f4

344434420 has 24 divisors (see below), whose sum is σ = 789068448. Its totient is φ = 125248800.

The previous prime is 344434417. The next prime is 344434423. The reversal of 344434420 is 24434443.

It is an interprime number because it is at equal distance from previous prime (344434417) and next prime (344434423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344434423) 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, 782586 + ... + 783025.

It is an arithmetic number, because the mean of its divisors is an integer number (32877852).

Almost surely, 2344434420 is an apocalyptic number.

It is an amenable number.

344434420 is an abundant number, since it is smaller than the sum of its proper divisors (444634028).

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

344434420 is a wasteful number, since it uses less digits than its factorization.

344434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565631 (or 1565629 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 344434420 is about 18558.9444742959. The cubic root of 344434420 is about 700.9744388161.

Adding to 344434420 its reverse (24434443), we get a palindrome (368868863).

The spelling of 344434420 in words is "three hundred forty-four million, four hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1565611 3131222 6262444 7828055 15656110 17221721 31312220 34443442 68886884 86108605 172217210 344434420