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20246844 = 22331371471
BaseRepresentation
bin100110100111…
…1000100111100
31102002122110010
41031033010330
520140344334
62001543220
7334044462
oct115170474
942078403
1020246844
1110479832
126944b10
13426b8a7
142990832
151b9e0e9
hex134f13c

20246844 has 48 divisors (see below), whose sum is σ = 50118656. Its totient is φ = 6350400.

The previous prime is 20246833. The next prime is 20246867. The reversal of 20246844 is 44864202.

It is a congruent number.

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, 13029 + ... + 14499.

Almost surely, 220246844 is an apocalyptic number.

It is an amenable number.

20246844 is an abundant number, since it is smaller than the sum of its proper divisors (29871812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20246844 is a wasteful number, since it uses less digits than its factorization.

20246844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 20246844 is about 4499.6493196693. The cubic root of 20246844 is about 272.5539281087.

The spelling of 20246844 in words is "twenty million, two hundred forty-six thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 31 37 62 74 93 111 124 148 186 222 372 444 1147 1471 2294 2942 3441 4413 4588 5884 6882 8826 13764 17652 45601 54427 91202 108854 136803 163281 182404 217708 273606 326562 547212 653124 1687237 3374474 5061711 6748948 10123422 20246844