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14838720 = 2635132941
BaseRepresentation
bin111000100110…
…101111000000
31000220212220020
4320212233000
512244314340
61250013440
7240061401
oct70465700
930825806
1014838720
118415606
124b77280
1330c7110
141d839a8
1514819d0
hexe26bc0

14838720 has 224 divisors, whose sum is σ = 53766720. Its totient is φ = 3440640.

The previous prime is 14838713. The next prime is 14838721. The reversal of 14838720 is 2783841.

It is a super-2 number, since 2×148387202 = 440375222476800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14838721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361900 + ... + 361940.

It is an arithmetic number, because the mean of its divisors is an integer number (240030).

Almost surely, 214838720 is an apocalyptic number.

14838720 is a gapful number since it is divisible by the number (10) 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 14838720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26883360).

14838720 is an abundant number, since it is smaller than the sum of its proper divisors (38928000).

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

14838720 is a wasteful number, since it uses less digits than its factorization.

14838720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 14838720 is about 3852.1059175469. The cubic root of 14838720 is about 245.7341301030.

The spelling of 14838720 in words is "fourteen million, eight hundred thirty-eight thousand, seven hundred twenty".