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20274182 = 2101310007
BaseRepresentation
bin100110101010…
…1110000000110
31102011000221122
41031111300012
520142233212
62002313542
7334220255
oct115256006
942130848
1020274182
1110498325
1269588b2
13427b176
14299a79c
151ba7272
hex1355c06

20274182 has 8 divisors (see below), whose sum is σ = 30444336. Its totient is φ = 10126072.

The previous prime is 20274179. The next prime is 20274203. The reversal of 20274182 is 28147202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202741822 = 822084911538248, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2978 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (3805542).

Almost surely, 220274182 is an apocalyptic number.

20274182 is a deficient number, since it is larger than the sum of its proper divisors (10170154).

20274182 is a wasteful number, since it uses less digits than its factorization.

20274182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 20274182 is about 4502.6860872151. The cubic root of 20274182 is about 272.6765435680.

The spelling of 20274182 in words is "twenty million, two hundred seventy-four thousand, one hundred eighty-two".

Divisors: 1 2 1013 2026 10007 20014 10137091 20274182