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20714464 = 25647327
BaseRepresentation
bin100111100000…
…1001111100000
31102222101220101
41033001033200
520300330324
62015552144
7341033011
oct117011740
942871811
1020714464
11107690a1
126b2b654
1343a36a4
142a73008
151c42944
hex13c13e0

20714464 has 12 divisors (see below), whose sum is σ = 40781664. Its totient is φ = 10357216.

The previous prime is 20714453. The next prime is 20714509. The reversal of 20714464 is 46441702.

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 as a sum of consecutive naturals, namely, 323632 + ... + 323695.

It is an arithmetic number, because the mean of its divisors is an integer number (3398472).

Almost surely, 220714464 is an apocalyptic number.

It is an amenable number.

20714464 is a deficient number, since it is larger than the sum of its proper divisors (20067200).

20714464 is an equidigital number, since it uses as much as digits as its factorization.

20714464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647337 (or 647329 counting only the distinct ones).

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

The square root of 20714464 is about 4551.3145353843. The cubic root of 20714464 is about 274.6362750592.

The spelling of 20714464 in words is "twenty million, seven hundred fourteen thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 647327 1294654 2589308 5178616 10357232 20714464