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14214645 = 325315881
BaseRepresentation
bin110110001110…
…010111110101
3222202011211100
4312032113311
512114332040
61224400313
7231552054
oct66162765
928664740
1014214645
118029745
124916099
132c39043
141c6039b
1513abb30
hexd8e5f5

14214645 has 12 divisors (see below), whose sum is σ = 24638796. Its totient is φ = 7581120.

The previous prime is 14214637. The next prime is 14214649. The reversal of 14214645 is 54641241.

14214645 is a `hidden beast` number, since 1 + 4 + 2 + 14 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4235364 + 9979281 = 2058^2 + 3159^2 .

It is not a de Polignac number, because 14214645 - 23 = 14214637 is a prime.

It is a super-2 number, since 2×142146452 = 404112264952050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14214649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157896 + ... + 157985.

It is an arithmetic number, because the mean of its divisors is an integer number (2053233).

Almost surely, 214214645 is an apocalyptic number.

14214645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14214645 is a deficient number, since it is larger than the sum of its proper divisors (10424151).

14214645 is a wasteful number, since it uses less digits than its factorization.

14214645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315892 (or 315889 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 14214645 is about 3770.2314252576. The cubic root of 14214645 is about 242.2397107970.

Adding to 14214645 its reverse (54641241), we get a palindrome (68855886).

The spelling of 14214645 in words is "fourteen million, two hundred fourteen thousand, six hundred forty-five".

Divisors: 1 3 5 9 15 45 315881 947643 1579405 2842929 4738215 14214645