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14230978 = 243316433
BaseRepresentation
bin110110010010…
…010111000010
3222210000020021
4312102113002
512120342403
61225004054
7231650506
oct66222702
928700207
1014230978
11803aa43
12492362a
132c435c8
141c66306
1513b18bd
hexd925c2

14230978 has 8 divisors (see below), whose sum is σ = 21397068. Its totient is φ = 7098624.

The previous prime is 14230973. The next prime is 14230987. The reversal of 14230978 is 87903241.

It can be written as a sum of positive squares in 2 ways, for example, as 14040009 + 190969 = 3747^2 + 437^2 .

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

It is not an unprimeable number, because it can be changed into a prime (14230973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7351 + ... + 9082.

Almost surely, 214230978 is an apocalyptic number.

14230978 is a deficient number, since it is larger than the sum of its proper divisors (7166090).

14230978 is a wasteful number, since it uses less digits than its factorization.

14230978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16868.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 14230978 is about 3772.3968508098. The cubic root of 14230978 is about 242.3324552116.

The spelling of 14230978 in words is "fourteen million, two hundred thirty thousand, nine hundred seventy-eight".

Divisors: 1 2 433 866 16433 32866 7115489 14230978