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20324434 = 2134491741
BaseRepresentation
bin100110110001…
…0000001010010
31102020120212211
41031202001102
520200340214
62003342334
7334516624
oct115420122
942216784
1020324434
1110522059
1269819aa
134297cc0
1429b0c14
151bb70c4
hex1362052

20324434 has 16 divisors (see below), whose sum is σ = 32923800. Its totient is φ = 9354240.

The previous prime is 20324413. The next prime is 20324453. The reversal of 20324434 is 43442302.

It can be written as a sum of positive squares in 4 ways, for example, as 7700625 + 12623809 = 2775^2 + 3553^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10804 + ... + 12544.

Almost surely, 220324434 is an apocalyptic number.

20324434 is a deficient number, since it is larger than the sum of its proper divisors (12599366).

20324434 is a wasteful number, since it uses less digits than its factorization.

20324434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 20324434 is about 4508.2628583524. The cubic root of 20324434 is about 272.9016448996.

Adding to 20324434 its reverse (43442302), we get a palindrome (63766736).

The spelling of 20324434 in words is "twenty million, three hundred twenty-four thousand, four hundred thirty-four".

Divisors: 1 2 13 26 449 898 1741 3482 5837 11674 22633 45266 781709 1563418 10162217 20324434