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20600441 = 157131213
BaseRepresentation
bin100111010010…
…1011001111001
31102202121111022
41032211121321
520233203231
62013312225
7340046411
oct116453171
942677438
1020600441
11106a0464
126a95675
134363814
142a43641
151c1dc7b
hex13a5679

20600441 has 4 divisors (see below), whose sum is σ = 20731812. Its totient is φ = 20469072.

The previous prime is 20600431. The next prime is 20600449. The reversal of 20600441 is 14400602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15241216 + 5359225 = 3904^2 + 2315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20600441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20600449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65450 + ... + 65763.

It is an arithmetic number, because the mean of its divisors is an integer number (5182953).

Almost surely, 220600441 is an apocalyptic number.

It is an amenable number.

20600441 is a deficient number, since it is larger than the sum of its proper divisors (131371).

20600441 is a wasteful number, since it uses less digits than its factorization.

20600441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131370.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20600441 is about 4538.7708688587. The cubic root of 20600441 is about 274.1314348020.

The spelling of 20600441 in words is "twenty million, six hundred thousand, four hundred forty-one".

Divisors: 1 157 131213 20600441