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47249494 = 2174433137
BaseRepresentation
bin1011010000111…
…1100001010110
310021220112010021
42310033201112
544043440434
64404415354
71112420425
oct264174126
9107815107
1047249494
1124742276
12139a755a
139a344a6
1463bd2bc
154234cb4
hex2d0f856

47249494 has 16 divisors (see below), whose sum is σ = 75236688. Its totient is φ = 22177792.

The previous prime is 47249491. The next prime is 47249533. The reversal of 47249494 is 49494274.

47249494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47249494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47249491) 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 7 ways as a sum of consecutive naturals, for example, 13494 + ... + 16630.

It is an arithmetic number, because the mean of its divisors is an integer number (4702293).

Almost surely, 247249494 is an apocalyptic number.

47249494 is a deficient number, since it is larger than the sum of its proper divisors (27987194).

47249494 is a wasteful number, since it uses less digits than its factorization.

47249494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599.

The product of its digits is 290304, while the sum is 43.

The square root of 47249494 is about 6873.8267362511. The cubic root of 47249494 is about 361.5200491116.

The spelling of 47249494 in words is "forty-seven million, two hundred forty-nine thousand, four hundred ninety-four".

Divisors: 1 2 17 34 443 886 3137 6274 7531 15062 53329 106658 1389691 2779382 23624747 47249494