Search a number
-
+
14078861 = 611491549
BaseRepresentation
bin110101101101…
…001110001101
3222111021120022
4311231032031
512101010421
61221431525
7230445146
oct65551615
928437508
1014078861
117a46725
12486b5a5
132bbc2b4
141c26acd
1513817ab
hexd6d38d

14078861 has 8 divisors (see below), whose sum is σ = 14415000. Its totient is φ = 13746240.

The previous prime is 14078851. The next prime is 14078863. The reversal of 14078861 is 16887041.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 13468900 = 781^2 + 3670^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14078861 - 26 = 14078797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14078863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (1801875).

Almost surely, 214078861 is an apocalyptic number.

It is an amenable number.

14078861 is a deficient number, since it is larger than the sum of its proper divisors (336139).

14078861 is a wasteful number, since it uses less digits than its factorization.

14078861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 14078861 is about 3752.1808325293. The cubic root of 14078861 is about 241.4659180014.

The spelling of 14078861 in words is "fourteen million, seventy-eight thousand, eight hundred sixty-one".

Divisors: 1 61 149 1549 9089 94489 230801 14078861