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14240645 = 517167537
BaseRepresentation
bin110110010100…
…101110000101
3222210111111022
4312110232011
512121200040
61225120525
7232020626
oct66245605
928714438
1014240645
118047231
124929145
132c47b23
141c69a4d
1513b46b5
hexd94b85

14240645 has 8 divisors (see below), whose sum is σ = 18094104. Its totient is φ = 10722304.

The previous prime is 14240581. The next prime is 14240647. The reversal of 14240645 is 54604241.

14240645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7656289 + 6584356 = 2767^2 + 2566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14240645 - 26 = 14240581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14240647) 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, 83684 + ... + 83853.

It is an arithmetic number, because the mean of its divisors is an integer number (2261763).

Almost surely, 214240645 is an apocalyptic number.

It is an amenable number.

14240645 is a deficient number, since it is larger than the sum of its proper divisors (3853459).

14240645 is a wasteful number, since it uses less digits than its factorization.

14240645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167559.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 14240645 is about 3773.6779141840. The cubic root of 14240645 is about 242.3873143506.

Adding to 14240645 its reverse (54604241), we get a palindrome (68844886).

The spelling of 14240645 in words is "fourteen million, two hundred forty thousand, six hundred forty-five".

Divisors: 1 5 17 85 167537 837685 2848129 14240645