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20136294 = 23210310861
BaseRepresentation
bin100110011010…
…0000101100110
31101220000210200
41030310011212
520123330134
61555331330
7333104253
oct114640546
941800720
1020136294
1110403772
1268b0b46
134230489
14296242a
151b7b499
hex1334166

20136294 has 24 divisors (see below), whose sum is σ = 44056272. Its totient is φ = 6646320.

The previous prime is 20136241. The next prime is 20136301. The reversal of 20136294 is 49263102.

20136294 is a `hidden beast` number, since 20 + 13 + 629 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3577 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (1835678).

Almost surely, 220136294 is an apocalyptic number.

20136294 is an abundant number, since it is smaller than the sum of its proper divisors (23919978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20136294 is a wasteful number, since it uses less digits than its factorization.

20136294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10969 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20136294 is about 4487.3482147032. The cubic root of 20136294 is about 272.0569643524.

Adding to 20136294 its reverse (49263102), we get a palindrome (69399396).

The spelling of 20136294 in words is "twenty million, one hundred thirty-six thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 18 103 206 309 618 927 1854 10861 21722 32583 65166 97749 195498 1118683 2237366 3356049 6712098 10068147 20136294