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20049348 = 22311672267
BaseRepresentation
bin100110001111…
…0110111000100
31101201121112110
41030132313010
520113034343
61553421020
7332262624
oct114366704
941647473
1020049348
1110354410
12686a770
1341cca27
14293c884
151b60833
hex131edc4

20049348 has 48 divisors (see below), whose sum is σ = 51819264. Its totient is φ = 5982240.

The previous prime is 20049329. The next prime is 20049349. The reversal of 20049348 is 84394002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20049349) by changing a digit.

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, 7711 + ... + 9977.

It is an arithmetic number, because the mean of its divisors is an integer number (1079568).

Almost surely, 220049348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20049348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25909632).

20049348 is an abundant number, since it is smaller than the sum of its proper divisors (31769916).

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

20049348 is a wasteful number, since it uses less digits than its factorization.

20049348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20049348 is about 4477.6498299889. The cubic root of 20049348 is about 271.6648300945.

The spelling of 20049348 in words is "twenty million, forty-nine thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 67 132 134 201 268 402 737 804 1474 2211 2267 2948 4422 4534 6801 8844 9068 13602 24937 27204 49874 74811 99748 149622 151889 299244 303778 455667 607556 911334 1670779 1822668 3341558 5012337 6683116 10024674 20049348