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18093296 = 2413372351
BaseRepresentation
bin100010100000…
…1010011110000
31021001020100002
41011001103300
514112441141
61443445132
7306535064
oct105012360
937036302
1018093296
11a238841
1260867a8
1339965c0
14258daa4
1518c5e9b
hex11414f0

18093296 has 40 divisors (see below), whose sum is σ = 38789184. Its totient is φ = 8121600.

The previous prime is 18093293. The next prime is 18093307. The reversal of 18093296 is 69239081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18093293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6521 + ... + 8871.

Almost surely, 218093296 is an apocalyptic number.

18093296 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 18093296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19394592).

18093296 is an abundant number, since it is smaller than the sum of its proper divisors (20695888).

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

18093296 is a wasteful number, since it uses less digits than its factorization.

18093296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 18093296 is about 4253.6215158380. The cubic root of 18093296 is about 262.5261458462.

The spelling of 18093296 in words is "eighteen million, ninety-three thousand, two hundred ninety-six".

Divisors: 1 2 4 8 13 16 26 37 52 74 104 148 208 296 481 592 962 1924 2351 3848 4702 7696 9404 18808 30563 37616 61126 86987 122252 173974 244504 347948 489008 695896 1130831 1391792 2261662 4523324 9046648 18093296