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14489731 = 103140677
BaseRepresentation
bin110111010001…
…100010000011
31000021011011201
4313101202003
512202132411
61234322031
7234106054
oct67214203
930234151
1014489731
1181a7393
124a29317
133004309
141cd272b
1514133c1
hexdd1883

14489731 has 4 divisors (see below), whose sum is σ = 14630512. Its totient is φ = 14348952.

The previous prime is 14489693. The next prime is 14489749. The reversal of 14489731 is 13798441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14489731 - 213 = 14481539 is a prime.

It is a super-2 number, since 2×144897312 = 419904608904722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14429731) 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, 70236 + ... + 70441.

It is an arithmetic number, because the mean of its divisors is an integer number (3657628).

Almost surely, 214489731 is an apocalyptic number.

14489731 is a deficient number, since it is larger than the sum of its proper divisors (140781).

14489731 is a wasteful number, since it uses less digits than its factorization.

14489731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140780.

The product of its digits is 24192, while the sum is 37.

The square root of 14489731 is about 3806.5379283543. The cubic root of 14489731 is about 243.7923690539.

The spelling of 14489731 in words is "fourteen million, four hundred eighty-nine thousand, seven hundred thirty-one".

Divisors: 1 103 140677 14489731