Search a number
-
+
14997545 = 52999509
BaseRepresentation
bin111001001101…
…100000101001
31001012221202122
4321031200221
512314410140
61253241025
7241322423
oct71154051
931187678
1014997545
118513972
125033175
1331514b4
141dc5813
1514b3ab5
hexe4d829

14997545 has 4 divisors (see below), whose sum is σ = 17997060. Its totient is φ = 11998032.

The previous prime is 14997539. The next prime is 14997551. The reversal of 14997545 is 54579941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54579941 = 134198457.

It is an interprime number because it is at equal distance from previous prime (14997539) and next prime (14997551).

It can be written as a sum of positive squares in 2 ways, for example, as 10621081 + 4376464 = 3259^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 14997545 - 210 = 14996521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14997496 and 14997505.

It is an unprimeable number.

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, 1499750 + ... + 1499759.

It is an arithmetic number, because the mean of its divisors is an integer number (4499265).

Almost surely, 214997545 is an apocalyptic number.

It is an amenable number.

14997545 is a deficient number, since it is larger than the sum of its proper divisors (2999515).

14997545 is an equidigital number, since it uses as much as digits as its factorization.

14997545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999514.

The product of its digits is 226800, while the sum is 44.

The square root of 14997545 is about 3872.6663941011. Note that the first 3 decimals coincide. The cubic root of 14997545 is about 246.6077521420.

The spelling of 14997545 in words is "fourteen million, nine hundred ninety-seven thousand, five hundred forty-five".

Divisors: 1 5 2999509 14997545