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20241442 = 2133753397
BaseRepresentation
bin100110100110…
…1110000100010
31102002101001001
41031031300202
520140211232
62001502214
7334022644
oct115156042
942071031
1020241442
1110475771
12694196a
1342692b0
14298c894
151b9c6e7
hex134dc22

20241442 has 32 divisors (see below), whose sum is σ = 34301232. Its totient is φ = 8895744.

The previous prime is 20241421. The next prime is 20241469. The reversal of 20241442 is 24414202.

It can be written as a sum of positive squares in 8 ways, for example, as 14676561 + 5564881 = 3831^2 + 2359^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50788 + ... + 51184.

Almost surely, 220241442 is an apocalyptic number.

20241442 is a deficient number, since it is larger than the sum of its proper divisors (14059790).

20241442 is a wasteful number, since it uses less digits than its factorization.

20241442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 20241442 is about 4499.0490106244. The cubic root of 20241442 is about 272.5296861859.

Adding to 20241442 its reverse (24414202), we get a palindrome (44655644).

The spelling of 20241442 in words is "twenty million, two hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 13 26 37 53 74 106 397 481 689 794 962 1378 1961 3922 5161 10322 14689 21041 25493 29378 42082 50986 190957 273533 381914 547066 778517 1557034 10120721 20241442