Search a number
-
+
14540709 = 353109839
BaseRepresentation
bin110111011101…
…111110100101
31000100202002210
4313131332211
512210300314
61235354033
7234410511
oct67357645
930322083
1014540709
118231717
124a52919
133021591
141d07141
151423559
hexdddfa5

14540709 has 16 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 9412416.

The previous prime is 14540693. The next prime is 14540717. The reversal of 14540709 is 90704541.

It is a happy number.

It is not a de Polignac number, because 14540709 - 24 = 14540693 is a prime.

It is a super-2 number, since 2×145407092 = 422864436445362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16912 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 214540709 is an apocalyptic number.

It is an amenable number.

14540709 is a deficient number, since it is larger than the sum of its proper divisors (5417691).

14540709 is a wasteful number, since it uses less digits than its factorization.

14540709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 14540709 is about 3813.2281599715. The cubic root of 14540709 is about 244.0779391348.

The spelling of 14540709 in words is "fourteen million, five hundred forty thousand, seven hundred nine".

Divisors: 1 3 53 109 159 327 839 2517 5777 17331 44467 91451 133401 274353 4846903 14540709