Search a number
-
+
14647897 = 112177121
BaseRepresentation
bin110111111000…
…001001011001
31000120012010201
4313320021121
512222213042
61241542201
7235335145
oct67701131
930505121
1014647897
1182a5200
124aa4961
13305b2c4
141d34225
1514451b7
hexdf8259

14647897 has 12 divisors (see below), whose sum is σ = 17050068. Its totient is φ = 12531200.

The previous prime is 14647883. The next prime is 14647901. The reversal of 14647897 is 79874641.

It can be written as a sum of positive squares in 2 ways, for example, as 4888521 + 9759376 = 2211^2 + 3124^2 .

It is a de Polignac number, because none of the positive numbers 2k-14647897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14647807) 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 11 ways as a sum of consecutive naturals, for example, 1504 + ... + 5617.

It is an arithmetic number, because the mean of its divisors is an integer number (1420839).

Almost surely, 214647897 is an apocalyptic number.

14647897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14647897 is a deficient number, since it is larger than the sum of its proper divisors (2402171).

14647897 is a wasteful number, since it uses less digits than its factorization.

14647897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160 (or 7149 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 14647897 is about 3827.2571118230. The cubic root of 14647897 is about 244.6762181338.

The spelling of 14647897 in words is "fourteen million, six hundred forty-seven thousand, eight hundred ninety-seven".

Divisors: 1 11 17 121 187 2057 7121 78331 121057 861641 1331627 14647897