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14311642 = 27155821
BaseRepresentation
bin110110100110…
…000011011010
3222221002212211
4312212003122
512130433032
61230425334
7232434622
oct66460332
928832784
1014311642
118095604
12496224a
132c71237
141c87882
1513ca747
hexda60da

14311642 has 4 divisors (see below), whose sum is σ = 21467466. Its totient is φ = 7155820.

The previous prime is 14311621. The next prime is 14311651. The reversal of 14311642 is 24611341.

14311642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24611341 = 239910259.

It can be written as a sum of positive squares in only one way, i.e., 7230721 + 7080921 = 2689^2 + 2661^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3577909 + ... + 3577912.

Almost surely, 214311642 is an apocalyptic number.

14311642 is a deficient number, since it is larger than the sum of its proper divisors (7155824).

14311642 is an equidigital number, since it uses as much as digits as its factorization.

14311642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155823.

The product of its digits is 576, while the sum is 22.

The square root of 14311642 is about 3783.0730894340. The cubic root of 14311642 is about 242.7894556133.

Adding to 14311642 its reverse (24611341), we get a palindrome (38922983).

The spelling of 14311642 in words is "fourteen million, three hundred eleven thousand, six hundred forty-two".

Divisors: 1 2 7155821 14311642