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20469044 = 2222722543
BaseRepresentation
bin100111000010…
…1010100110100
31102111221020202
41032011110310
520220002134
62010420032
7335661341
oct116052464
942457222
1020469044
1110610772
126a31618
134318a7b
142a0b7c8
151be4d7e
hex1385534

20469044 has 12 divisors (see below), whose sum is σ = 35980224. Its totient is φ = 10188984.

The previous prime is 20469019. The next prime is 20469049. The reversal of 20469044 is 44096402.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20468998 and 20469016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20469049) 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 3 ways as a sum of consecutive naturals, for example, 10364 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (2998352).

Almost surely, 220469044 is an apocalyptic number.

It is an amenable number.

20469044 is a deficient number, since it is larger than the sum of its proper divisors (15511180).

20469044 is a wasteful number, since it uses less digits than its factorization.

20469044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774 (or 22772 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20469044 is about 4524.2727592399. The cubic root of 20469044 is about 273.5473550146.

The spelling of 20469044 in words is "twenty million, four hundred sixty-nine thousand, forty-four".

Divisors: 1 2 4 227 454 908 22543 45086 90172 5117261 10234522 20469044