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20359441 is a prime number
BaseRepresentation
bin100110110101…
…0100100010001
31102022100220101
41031222210101
520203000231
62004212401
7335023654
oct115524421
942270811
1020359441
1110546393
12699a101
1342aac0b
1429bd89b
151bc2661
hex136a911

20359441 has 2 divisors, whose sum is σ = 20359442. Its totient is φ = 20359440.

The previous prime is 20359337. The next prime is 20359457. The reversal of 20359441 is 14495302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 1218816 = 4375^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 20359441 - 29 = 20358929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20359541) by changing a digit.

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 as a sum of consecutive naturals, namely, 10179720 + 10179721.

It is an arithmetic number, because the mean of its divisors is an integer number (10179721).

Almost surely, 220359441 is an apocalyptic number.

It is an amenable number.

20359441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20359441 is an equidigital number, since it uses as much as digits as its factorization.

20359441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20359441 is about 4512.1437255478. The cubic root of 20359441 is about 273.0582378316.

It can be divided in two parts, 2035 and 9441, that added together give a triangular number (11476 = T151).

The spelling of 20359441 in words is "twenty million, three hundred fifty-nine thousand, four hundred forty-one".