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14017428 = 22331071213
BaseRepresentation
bin110101011110…
…001110010100
3222101011022000
4311132032110
512042024203
61220235300
7230101065
oct65361624
928334260
1014017428
117a04557
12483bb30
132b9a349
141c0c56c
15136d4a3
hexd5e394

14017428 has 48 divisors (see below), whose sum is σ = 36711360. Its totient is φ = 4624992.

The previous prime is 14017391. The next prime is 14017433. The reversal of 14017428 is 82471041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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, 10950 + ... + 12162.

It is an arithmetic number, because the mean of its divisors is an integer number (764820).

Almost surely, 214017428 is an apocalyptic number.

14017428 is a gapful number since it is divisible by the number (18) 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 14017428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18355680).

14017428 is an abundant number, since it is smaller than the sum of its proper divisors (22693932).

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

14017428 is a wasteful number, since it uses less digits than its factorization.

14017428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 14017428 is about 3743.9855768953. The cubic root of 14017428 is about 241.1141943741.

Adding to 14017428 its reverse (82471041), we get a palindrome (96488469).

The spelling of 14017428 in words is "fourteen million, seventeen thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 107 108 214 321 428 642 963 1213 1284 1926 2426 2889 3639 3852 4852 5778 7278 10917 11556 14556 21834 32751 43668 65502 129791 131004 259582 389373 519164 778746 1168119 1557492 2336238 3504357 4672476 7008714 14017428