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20092839 = 3131015101
BaseRepresentation
bin100110010100…
…1011110100111
31101210211012020
41030221132213
520120432324
61554354223
7332533464
oct114513647
941724166
1020092839
1110384058
12688b973
134216770
14295066b
151b6d679
hex13297a7

20092839 has 16 divisors (see below), whose sum is σ = 29142624. Its totient is φ = 12240000.

The previous prime is 20092837. The next prime is 20092841. The reversal of 20092839 is 93829002.

It is an interprime number because it is at equal distance from previous prime (20092837) and next prime (20092841).

It is not a de Polignac number, because 20092839 - 21 = 20092837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (1821414).

Almost surely, 220092839 is an apocalyptic number.

20092839 is a deficient number, since it is larger than the sum of its proper divisors (9049785).

20092839 is a wasteful number, since it uses less digits than its factorization.

20092839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 20092839 is about 4482.5036530939. The cubic root of 20092839 is about 271.8611198093.

It can be divided in two parts, 200 and 92839, that added together give a palindrome (93039).

The spelling of 20092839 in words is "twenty million, ninety-two thousand, eight hundred thirty-nine".

Divisors: 1 3 13 39 101 303 1313 3939 5101 15303 66313 198939 515201 1545603 6697613 20092839