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20384704 = 262331367
BaseRepresentation
bin100110111000…
…0101111000000
31102100122120001
41031300233000
520204302304
62004525344
7335160424
oct115605700
942318501
1020384704
111056336a
1269b0854
1342b9572
1429c8b84
151bc9da4
hex1370bc0

20384704 has 28 divisors (see below), whose sum is σ = 40654224. Its totient is φ = 10141184.

The previous prime is 20384687. The next prime is 20384711. The reversal of 20384704 is 40748302.

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, 14229 + ... + 15595.

Almost surely, 220384704 is an apocalyptic number.

It is an amenable number.

20384704 is a deficient number, since it is larger than the sum of its proper divisors (20269520).

20384704 is a wasteful number, since it uses less digits than its factorization.

20384704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 20384704 is about 4514.9423030643. The cubic root of 20384704 is about 273.1711325322.

The spelling of 20384704 in words is "twenty million, three hundred eighty-four thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 233 466 932 1367 1864 2734 3728 5468 7456 10936 14912 21872 43744 87488 318511 637022 1274044 2548088 5096176 10192352 20384704