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20414755 = 534911699
BaseRepresentation
bin100110111100…
…0000100100011
31102102011210001
41031320010203
520211233010
62005320431
7335344144
oct115700443
942364701
1020414755
11105839a9
126a06117
1342ca14a
1429d5acb
151bd3c3a
hex1378123

20414755 has 8 divisors (see below), whose sum is σ = 24570000. Its totient is φ = 16283616.

The previous prime is 20414741. The next prime is 20414789. The reversal of 20414755 is 55741402.

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

It is a cyclic number.

It is not a de Polignac number, because 20414755 - 29 = 20414243 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4105 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (3071250).

Almost surely, 220414755 is an apocalyptic number.

20414755 is a deficient number, since it is larger than the sum of its proper divisors (4155245).

20414755 is a wasteful number, since it uses less digits than its factorization.

20414755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 20414755 is about 4518.2690269615. The cubic root of 20414755 is about 273.3053023340.

The spelling of 20414755 in words is "twenty million, four hundred fourteen thousand, seven hundred fifty-five".

Divisors: 1 5 349 1745 11699 58495 4082951 20414755