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47244493 = 89530837
BaseRepresentation
bin1011010000111…
…0010011001101
310021220021021001
42310032103031
544043310433
64404340301
71112400022
oct264162315
9107807231
1047244493
112473953a
12139a4691
139a3212a
1463bb549
15423357d
hex2d0e4cd

47244493 has 4 divisors (see below), whose sum is σ = 47775420. Its totient is φ = 46713568.

The previous prime is 47244443. The next prime is 47244497. The reversal of 47244493 is 39444274.

47244493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10738729 + 36505764 = 3277^2 + 6042^2 .

It is a cyclic number.

It is not a de Polignac number, because 47244493 - 29 = 47243981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47244497) 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 3 ways as a sum of consecutive naturals, for example, 265330 + ... + 265507.

It is an arithmetic number, because the mean of its divisors is an integer number (11943855).

Almost surely, 247244493 is an apocalyptic number.

It is an amenable number.

47244493 is a deficient number, since it is larger than the sum of its proper divisors (530927).

47244493 is an equidigital number, since it uses as much as digits as its factorization.

47244493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530926.

The product of its digits is 96768, while the sum is 37.

The square root of 47244493 is about 6873.4629554541. The cubic root of 47244493 is about 361.5072939447.

The spelling of 47244493 in words is "forty-seven million, two hundred forty-four thousand, four hundred ninety-three".

Divisors: 1 89 530837 47244493