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14307142 = 212375783
BaseRepresentation
bin110110100100…
…111101000110
3222220212201011
4312210331012
512130312032
61230352434
7232415533
oct66447506
928825634
1014307142
118092193
12495b71a
132c6c185
141c85d8a
1513c9247
hexda4f46

14307142 has 8 divisors (see below), whose sum is σ = 21481776. Its totient is φ = 7146552.

The previous prime is 14307119. The next prime is 14307143. The reversal of 14307142 is 24170341.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14307143) 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 3 ways as a sum of consecutive naturals, for example, 418 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (2685222).

Almost surely, 214307142 is an apocalyptic number.

14307142 is a deficient number, since it is larger than the sum of its proper divisors (7174634).

14307142 is a wasteful number, since it uses less digits than its factorization.

14307142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 14307142 is about 3782.4782881069. The cubic root of 14307142 is about 242.7640062372.

Adding to 14307142 its reverse (24170341), we get a palindrome (38477483).

The spelling of 14307142 in words is "fourteen million, three hundred seven thousand, one hundred forty-two".

Divisors: 1 2 1237 2474 5783 11566 7153571 14307142