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20244674 = 231347941
BaseRepresentation
bin100110100111…
…0100011000010
31102002112110202
41031032203002
520140312144
62001525202
7334035242
oct115164302
942075422
1020244674
111047813a
126943802
13426a8c8
14298db22
151b9d64e
hex134e8c2

20244674 has 16 divisors (see below), whose sum is σ = 31470336. Its totient is φ = 9757200.

The previous prime is 20244673. The next prime is 20244683. The reversal of 20244674 is 47644202.

It is not an unprimeable number, because it can be changed into a prime (20244673) 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 7 ways as a sum of consecutive naturals, for example, 21044 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (1966896).

Almost surely, 220244674 is an apocalyptic number.

20244674 is a deficient number, since it is larger than the sum of its proper divisors (11225662).

20244674 is a wasteful number, since it uses less digits than its factorization.

20244674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 20244674 is about 4499.4081833059. The cubic root of 20244674 is about 272.5441905720.

Adding to 20244674 its reverse (47644202), we get a palindrome (67888876).

The spelling of 20244674 in words is "twenty million, two hundred forty-four thousand, six hundred seventy-four".

Divisors: 1 2 31 62 347 694 941 1882 10757 21514 29171 58342 326527 653054 10122337 20244674