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14145732 = 2233227577
BaseRepresentation
bin110101111101…
…100011000100
3222121200022000
4311331203010
512110130412
61223105300
7231144126
oct65754304
928550260
1014145732
117a91997
1248a2230
132c13873
141c43216
1513964dc
hexd7d8c4

14145732 has 48 divisors (see below), whose sum is σ = 36899520. Its totient is φ = 4686336.

The previous prime is 14145727. The next prime is 14145739. The reversal of 14145732 is 23754141.

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

It is a junction number, because it is equal to n+sod(n) for n = 14145696 and 14145705.

It is not an unprimeable number, because it can be changed into a prime (14145739) by changing a digit.

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, 24228 + ... + 24804.

It is an arithmetic number, because the mean of its divisors is an integer number (768740).

Almost surely, 214145732 is an apocalyptic number.

14145732 is a gapful number since it is divisible by the number (12) 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 14145732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18449760).

14145732 is an abundant number, since it is smaller than the sum of its proper divisors (22753788).

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

14145732 is a wasteful number, since it uses less digits than its factorization.

14145732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 809 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 14145732 is about 3761.0812275196. The cubic root of 14145732 is about 241.8476148312.

Adding to 14145732 its reverse (23754141), we get a palindrome (37899873).

The spelling of 14145732 in words is "fourteen million, one hundred forty-five thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 227 454 577 681 908 1154 1362 1731 2043 2308 2724 3462 4086 5193 6129 6924 8172 10386 12258 15579 20772 24516 31158 62316 130979 261958 392937 523916 785874 1178811 1571748 2357622 3536433 4715244 7072866 14145732