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20374093 = 83245471
BaseRepresentation
bin100110110111…
…0001001001101
31102100010000001
41031232021031
520203432333
62004404301
7335114455
oct115561115
942303001
1020374093
11105563a3
1269a6691
1342b479c
1429c4d65
151bc6b7d
hex136e24d

20374093 has 4 divisors (see below), whose sum is σ = 20619648. Its totient is φ = 20128540.

The previous prime is 20374091. The next prime is 20374103. The reversal of 20374093 is 39047302.

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 20374093 - 21 = 20374091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20374091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122653 + ... + 122818.

It is an arithmetic number, because the mean of its divisors is an integer number (5154912).

Almost surely, 220374093 is an apocalyptic number.

It is an amenable number.

20374093 is a deficient number, since it is larger than the sum of its proper divisors (245555).

20374093 is an equidigital number, since it uses as much as digits as its factorization.

20374093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245554.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20374093 is about 4513.7670520309. The cubic root of 20374093 is about 273.1237257122.

The spelling of 20374093 in words is "twenty million, three hundred seventy-four thousand, ninety-three".

Divisors: 1 83 245471 20374093