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20598941 = 111872631
BaseRepresentation
bin100111010010…
…1000010011101
31102202112102202
41032211002131
520233131231
62013301245
7340042136
oct116450235
942675382
1020598941
111069a320
126a94825
134362c2c
142a42c8d
151c1d5cb
hex13a509d

20598941 has 4 divisors (see below), whose sum is σ = 22471584. Its totient is φ = 18726300.

The previous prime is 20598931. The next prime is 20598943. The reversal of 20598941 is 14989502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20598941 - 222 = 16404637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20598895 and 20598904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20598943) 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, 936305 + ... + 936326.

It is an arithmetic number, because the mean of its divisors is an integer number (5617896).

Almost surely, 220598941 is an apocalyptic number.

It is an amenable number.

20598941 is a deficient number, since it is larger than the sum of its proper divisors (1872643).

20598941 is a wasteful number, since it uses less digits than its factorization.

20598941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872642.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 20598941 is about 4538.6056228758. The cubic root of 20598941 is about 274.1247811074.

The spelling of 20598941 in words is "twenty million, five hundred ninety-eight thousand, nine hundred forty-one".

Divisors: 1 11 1872631 20598941