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20093377 = 26477591
BaseRepresentation
bin100110010100…
…1100111000001
31101210211221011
41030221213001
520120442002
61554400521
7332535163
oct114514701
941724834
1020093377
11103844a7
126890141
134216a95
142950933
151b6d8d7
hex13299c1

20093377 has 4 divisors (see below), whose sum is σ = 20103616. Its totient is φ = 20083140.

The previous prime is 20093369. The next prime is 20093389. The reversal of 20093377 is 77339002.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20093377 - 23 = 20093369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20093327) 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 in 3 ways as a sum of consecutive naturals, for example, 1149 + ... + 6442.

It is an arithmetic number, because the mean of its divisors is an integer number (5025904).

Almost surely, 220093377 is an apocalyptic number.

It is an amenable number.

20093377 is a deficient number, since it is larger than the sum of its proper divisors (10239).

20093377 is an equidigital number, since it uses as much as digits as its factorization.

20093377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 20093377 is about 4482.5636637978. The cubic root of 20093377 is about 271.8635462123.

The spelling of 20093377 in words is "twenty million, ninety-three thousand, three hundred seventy-seven".

Divisors: 1 2647 7591 20093377