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20341838 = 2114321503
BaseRepresentation
bin100110110011…
…0010001001110
31102021110202102
41031212101032
520201414323
62003555102
7334621436
oct115462116
942243672
1020341838
1110534140
12698ba92
1342a2bba
1429b72c6
151bbc328
hex136644e

20341838 has 16 divisors (see below), whose sum is σ = 34062336. Its totient is φ = 9030840.

The previous prime is 20341829. The next prime is 20341861. The reversal of 20341838 is 83814302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20341838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9806 + ... + 11697.

It is an arithmetic number, because the mean of its divisors is an integer number (2128896).

Almost surely, 220341838 is an apocalyptic number.

20341838 is a deficient number, since it is larger than the sum of its proper divisors (13720498).

20341838 is a wasteful number, since it uses less digits than its factorization.

20341838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21559.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20341838 is about 4510.1926788110. The cubic root of 20341838 is about 272.9795187397.

The spelling of 20341838 in words is "twenty million, three hundred forty-one thousand, eight hundred thirty-eight".

Divisors: 1 2 11 22 43 86 473 946 21503 43006 236533 473066 924629 1849258 10170919 20341838