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4342420 = 225217121
BaseRepresentation
bin10000100100001010010100
322011121200101
4100210022110
52102424140
6233023444
751624055
oct20441224
98147611
104342420
1124a6585
121554b84
13b906a4
1481072c
155ab99a
hex424294

4342420 has 12 divisors (see below), whose sum is σ = 9119124. Its totient is φ = 1736960.

The previous prime is 4342417. The next prime is 4342427. The reversal of 4342420 is 242434.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 3083536 = 1122^2 + 1756^2 .

It is a super-2 number, since 2×43424202 = 37713222912800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108541 + ... + 108580.

It is an arithmetic number, because the mean of its divisors is an integer number (759927).

Almost surely, 24342420 is an apocalyptic number.

It is an amenable number.

4342420 is an abundant number, since it is smaller than the sum of its proper divisors (4776704).

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

4342420 is a wasteful number, since it uses less digits than its factorization.

4342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217130 (or 217128 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4342420 is about 2083.8474032424. The cubic root of 4342420 is about 163.1463174873.

Adding to 4342420 its reverse (242434), we get a palindrome (4584854).

The spelling of 4342420 in words is "four million, three hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 217121 434242 868484 1085605 2171210 4342420