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20514833 is a prime number
BaseRepresentation
bin100111001000…
…0100000010001
31102121021001122
41032100200101
520222433313
62011412025
7336242003
oct116204021
942537048
1020514833
1110642109
126a54015
134333871
142a20373
151c03708
hex1390811

20514833 has 2 divisors, whose sum is σ = 20514834. Its totient is φ = 20514832.

The previous prime is 20514829. The next prime is 20514841. The reversal of 20514833 is 33841502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 2050624 = 4297^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 20514833 - 22 = 20514829 is a prime.

It is not a weakly prime, because it can be changed into another prime (20514853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257416 + 10257417.

It is an arithmetic number, because the mean of its divisors is an integer number (10257417).

Almost surely, 220514833 is an apocalyptic number.

It is an amenable number.

20514833 is a deficient number, since it is larger than the sum of its proper divisors (1).

20514833 is an equidigital number, since it uses as much as digits as its factorization.

20514833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20514833 is about 4529.3303036983. The cubic root of 20514833 is about 273.7511771319.

The spelling of 20514833 in words is "twenty million, five hundred fourteen thousand, eight hundred thirty-three".