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20764373 = 712723357
BaseRepresentation
bin100111100110…
…1011011010101
31110001221100212
41033031123111
520303424443
62021015205
7341331350
oct117153325
943057325
1020764373
11107a2643
126b54505
1343c0316
142a87297
151c52618
hex13cd6d5

20764373 has 8 divisors (see below), whose sum is σ = 23918592. Its totient is φ = 17657136.

The previous prime is 20764369. The next prime is 20764421. The reversal of 20764373 is 37346702.

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

It is not a de Polignac number, because 20764373 - 22 = 20764369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20764673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10790 + ... + 12567.

It is an arithmetic number, because the mean of its divisors is an integer number (2989824).

Almost surely, 220764373 is an apocalyptic number.

It is an amenable number.

20764373 is a deficient number, since it is larger than the sum of its proper divisors (3154219).

20764373 is a wasteful number, since it uses less digits than its factorization.

20764373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23491.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 20764373 is about 4556.7941581774. The cubic root of 20764373 is about 274.8566658009.

The spelling of 20764373 in words is "twenty million, seven hundred sixty-four thousand, three hundred seventy-three".

Divisors: 1 7 127 889 23357 163499 2966339 20764373