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4342431 = 319293771
BaseRepresentation
bin10000100100001010011111
322011121200210
4100210022133
52102424211
6233023503
751624102
oct20441237
98147623
104342431
1124a6595
121554b93
13b906b2
14810739
155ab9a6
hex42429f

4342431 has 32 divisors (see below), whose sum is σ = 6566400. Its totient is φ = 2540160.

The previous prime is 4342427. The next prime is 4342439. The reversal of 4342431 is 1342434.

It is not a de Polignac number, because 4342431 - 22 = 4342427 is a prime.

It is a super-2 number, since 2×43424312 = 37713413979522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4342398 and 4342407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61126 + ... + 61196.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 24342431 is an apocalyptic number.

4342431 is a deficient number, since it is larger than the sum of its proper divisors (2223969).

4342431 is a wasteful number, since it uses less digits than its factorization.

4342431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

The product of its digits is 1152, while the sum is 21.

The square root of 4342431 is about 2083.8500425894. The cubic root of 4342431 is about 163.1464552452.

Adding to 4342431 its reverse (1342434), we get a palindrome (5684865).

The spelling of 4342431 in words is "four million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 19 29 37 57 71 87 111 213 551 703 1073 1349 1653 2059 2109 2627 3219 4047 6177 7881 20387 39121 49913 61161 76183 117363 149739 228549 1447477 4342431