Search a number
-
+
47274513 = 31113263419
BaseRepresentation
bin1011010001010…
…1101000010001
310021221210102220
42310111220101
544100241023
64405131253
71112553366
oct264255021
9107853386
1047274513
112475a050
12139b9b29
139a429b0
1463c846d
15423c3e3
hex2d15a11

47274513 has 32 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 26283840.

The previous prime is 47274509. The next prime is 47274533. The reversal of 47274513 is 31547274.

It is not a de Polignac number, because 47274513 - 22 = 47274509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47274503) 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 31 ways as a sum of consecutive naturals, for example, 112618 + ... + 113036.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 247274513 is an apocalyptic number.

It is an amenable number.

47274513 is a deficient number, since it is larger than the sum of its proper divisors (27236847).

47274513 is a wasteful number, since it uses less digits than its factorization.

47274513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its digits is 23520, while the sum is 33.

The square root of 47274513 is about 6875.6463696150. The cubic root of 47274513 is about 361.5838471432.

The spelling of 47274513 in words is "forty-seven million, two hundred seventy-four thousand, five hundred thirteen".

Divisors: 1 3 11 13 33 39 143 263 419 429 789 1257 2893 3419 4609 5447 8679 10257 13827 16341 37609 59917 110197 112827 179751 330591 1212167 1432561 3636501 4297683 15758171 47274513