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14111720 = 2357101499
BaseRepresentation
bin110101110101…
…001111101000
3222112221122022
4311311033220
512103033340
61222244012
7230643020
oct65651750
928487568
1014111720
117a69387
124886608
132c0123c
141c34a80
15138b3b5
hexd753e8

14111720 has 64 divisors (see below), whose sum is σ = 36720000. Its totient is φ = 4780800.

The previous prime is 14111711. The next prime is 14111729. The reversal of 14111720 is 2711141.

It is an interprime number because it is at equal distance from previous prime (14111711) and next prime (14111729).

It is not an unprimeable number, because it can be changed into a prime (14111729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28031 + ... + 28529.

It is an arithmetic number, because the mean of its divisors is an integer number (573750).

Almost surely, 214111720 is an apocalyptic number.

14111720 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 14111720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18360000).

14111720 is an abundant number, since it is smaller than the sum of its proper divisors (22608280).

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

14111720 is a wasteful number, since it uses less digits than its factorization.

14111720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 14111720 is about 3756.5569342152. The cubic root of 14111720 is about 241.6536264598.

Adding to 14111720 its reverse (2711141), we get a palindrome (16822861).

The spelling of 14111720 in words is "fourteen million, one hundred eleven thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 101 140 202 280 404 499 505 707 808 998 1010 1414 1996 2020 2495 2828 3493 3535 3992 4040 4990 5656 6986 7070 9980 13972 14140 17465 19960 27944 28280 34930 50399 69860 100798 139720 201596 251995 352793 403192 503990 705586 1007980 1411172 1763965 2015960 2822344 3527930 7055860 14111720