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20260093 = 72894299
BaseRepresentation
bin100110101001…
…0010011111101
31102010022121211
41031102103331
520141310333
62002124421
7334131220
oct115222375
942108554
1020260093
1110488787
126950711
134274929
1429955b7
151ba2ecd
hex13524fd

20260093 has 4 divisors (see below), whose sum is σ = 23154400. Its totient is φ = 17365788.

The previous prime is 20260091. The next prime is 20260117. The reversal of 20260093 is 39006202.

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 20260093 - 21 = 20260091 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 (20260091) 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, 1447143 + ... + 1447156.

It is an arithmetic number, because the mean of its divisors is an integer number (5788600).

Almost surely, 220260093 is an apocalyptic number.

It is an amenable number.

20260093 is a deficient number, since it is larger than the sum of its proper divisors (2894307).

20260093 is an equidigital number, since it uses as much as digits as its factorization.

20260093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894306.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20260093 is about 4501.1213047417. The cubic root of 20260093 is about 272.6133658432.

Adding to 20260093 its reverse (39006202), we get a palindrome (59266295).

The spelling of 20260093 in words is "twenty million, two hundred sixty thousand, ninety-three".

Divisors: 1 7 2894299 20260093