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20244002 = 223440087
BaseRepresentation
bin100110100111…
…0011000100010
31102002111112212
41031032120202
520140302002
62001522122
7334033262
oct115163042
942074485
1020244002
1110477689
126943342
13426a4cc
14298d7a2
151b9d352
hex134e622

20244002 has 8 divisors (see below), whose sum is σ = 31686336. Its totient is φ = 9681892.

The previous prime is 20243989. The next prime is 20244041. The reversal of 20244002 is 20044202.

It is a happy number.

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

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, 219998 + ... + 220089.

It is an arithmetic number, because the mean of its divisors is an integer number (3960792).

Almost surely, 220244002 is an apocalyptic number.

20244002 is a deficient number, since it is larger than the sum of its proper divisors (11442334).

20244002 is a wasteful number, since it uses less digits than its factorization.

20244002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440112.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 20244002 is about 4499.3335061984. Note that the first 3 decimals coincide. The cubic root of 20244002 is about 272.5411749357.

Adding to 20244002 its reverse (20044202), we get a palindrome (40288204).

The spelling of 20244002 in words is "twenty million, two hundred forty-four thousand, two".

Divisors: 1 2 23 46 440087 880174 10122001 20244002