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14280081 = 34760027
BaseRepresentation
bin110110011110…
…010110010001
3222212111120220
4312132112101
512123430311
61230023253
7232243614
oct66362621
928774526
1014280081
118073922
124947b29
132c5ca6a
141c7a17b
1513c1206
hexd9e591

14280081 has 4 divisors (see below), whose sum is σ = 19040112. Its totient is φ = 9520052.

The previous prime is 14280053. The next prime is 14280103. The reversal of 14280081 is 18008241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14280081 - 27 = 14279953 is a prime.

It is a super-2 number, since 2×142800812 = 407841426733122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14280481) 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, 2380011 + ... + 2380016.

It is an arithmetic number, because the mean of its divisors is an integer number (4760028).

Almost surely, 214280081 is an apocalyptic number.

It is an amenable number.

14280081 is a deficient number, since it is larger than the sum of its proper divisors (4760031).

14280081 is an equidigital number, since it uses as much as digits as its factorization.

14280081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760030.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 14280081 is about 3778.8994429596. The cubic root of 14280081 is about 242.6108523552.

The spelling of 14280081 in words is "fourteen million, two hundred eighty thousand, eighty-one".

Divisors: 1 3 4760027 14280081