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20341442 = 2114631997
BaseRepresentation
bin100110110011…
…0001011000010
31102021110012202
41031212023002
520201411232
62003553202
7334620332
oct115461302
942243182
1020341442
1110533910
12698b802
1342a2974
1429b70c2
151bbc162
hex13662c2

20341442 has 16 divisors (see below), whose sum is σ = 33374592. Its totient is φ = 9221520.

The previous prime is 20341439. The next prime is 20341481. The reversal of 20341442 is 24414302.

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, 9188 + ... + 11184.

It is an arithmetic number, because the mean of its divisors is an integer number (2085912).

Almost surely, 220341442 is an apocalyptic number.

20341442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20341442 is a deficient number, since it is larger than the sum of its proper divisors (13033150).

20341442 is a wasteful number, since it uses less digits than its factorization.

20341442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20341442 is about 4510.1487780338. The cubic root of 20341442 is about 272.9777473398.

Adding to 20341442 its reverse (24414302), we get a palindrome (44755744).

The spelling of 20341442 in words is "twenty million, three hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 11 22 463 926 1997 3994 5093 10186 21967 43934 924611 1849222 10170721 20341442