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20092755 = 352335749
BaseRepresentation
bin100110010100…
…1011101010011
31101210211002010
41030221131103
520120432010
61554354003
7332533314
oct114513523
941724063
1020092755
1110383a91
12688b903
134216707
14295060b
151b6d620
hex1329753

20092755 has 16 divisors (see below), whose sum is σ = 32292000. Its totient is φ = 10668288.

The previous prime is 20092741. The next prime is 20092769. The reversal of 20092755 is 55729002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20092741) and next prime (20092769).

It is not a de Polignac number, because 20092755 - 212 = 20088659 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (2018250).

Almost surely, 220092755 is an apocalyptic number.

20092755 is a deficient number, since it is larger than the sum of its proper divisors (12199245).

20092755 is a wasteful number, since it uses less digits than its factorization.

20092755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 20092755 is about 4482.4942833204. The cubic root of 20092755 is about 271.8607409618.

The spelling of 20092755 in words is "twenty million, ninety-two thousand, seven hundred fifty-five".

Divisors: 1 3 5 15 233 699 1165 3495 5749 17247 28745 86235 1339517 4018551 6697585 20092755