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18893296 = 241923271
BaseRepresentation
bin100100000010…
…0100111110000
31022112212201201
41020010213300
514314041141
61512540544
7316406332
oct110044760
938485651
1018893296
11a7348a4
1263b1754
133bb6786
14271b452
1519d3031
hex12049f0

18893296 has 30 divisors (see below), whose sum is σ = 38645592. Its totient is φ = 8946720.

The previous prime is 18893293. The next prime is 18893299. The reversal of 18893296 is 69239881.

It is an interprime number because it is at equal distance from previous prime (18893293) and next prime (18893299).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18893293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4141 + ... + 7411.

Almost surely, 218893296 is an apocalyptic number.

18893296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18893296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19322796).

18893296 is an abundant number, since it is smaller than the sum of its proper divisors (19752296).

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

18893296 is a wasteful number, since it uses less digits than its factorization.

18893296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317 (or 3292 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 18893296 is about 4346.6419222200. The cubic root of 18893296 is about 266.3397020446.

The spelling of 18893296 in words is "eighteen million, eight hundred ninety-three thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 3271 5776 6542 13084 26168 52336 62149 124298 248596 497192 994384 1180831 2361662 4723324 9446648 18893296