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13440302 = 217395303
BaseRepresentation
bin110011010001…
…010100101110
3221021211121222
4303101110232
511420042202
61200023342
7222145361
oct63212456
927254558
1013440302
11764a997
124601b52
132a27755
141adc0d8
1512a74a2
hexcd152e

13440302 has 8 divisors (see below), whose sum is σ = 21346416. Its totient is φ = 6324832.

The previous prime is 13440293. The next prime is 13440307. The reversal of 13440302 is 20304431.

13440302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197618 + ... + 197685.

It is an arithmetic number, because the mean of its divisors is an integer number (2668302).

Almost surely, 213440302 is an apocalyptic number.

13440302 is a deficient number, since it is larger than the sum of its proper divisors (7906114).

13440302 is a wasteful number, since it uses less digits than its factorization.

13440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395322.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13440302 is about 3666.1017443601. The cubic root of 13440302 is about 237.7586589151.

Adding to 13440302 its reverse (20304431), we get a palindrome (33744733).

The spelling of 13440302 in words is "thirteen million, four hundred forty thousand, three hundred two".

Divisors: 1 2 17 34 395303 790606 6720151 13440302