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47320493 = 114791529
BaseRepresentation
bin1011010010000…
…0110110101101
310022001010111212
42310200312231
544103223433
64410124205
71113134423
oct264406655
9108033455
1047320493
1124790650
1213a20665
139a5a8bc
1463db113
15424ad48
hex2d20dad

47320493 has 8 divisors (see below), whose sum is σ = 52721280. Its totient is φ = 42102880.

The previous prime is 47320487. The next prime is 47320513. The reversal of 47320493 is 39402374.

47320493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47320493 - 28 = 47320237 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 (47320433) 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, 45248 + ... + 46281.

It is an arithmetic number, because the mean of its divisors is an integer number (6590160).

Almost surely, 247320493 is an apocalyptic number.

It is an amenable number.

47320493 is a deficient number, since it is larger than the sum of its proper divisors (5400787).

47320493 is a wasteful number, since it uses less digits than its factorization.

47320493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91587.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 47320493 is about 6878.9892426141. The cubic root of 47320493 is about 361.7010367029.

The spelling of 47320493 in words is "forty-seven million, three hundred twenty thousand, four hundred ninety-three".

Divisors: 1 11 47 517 91529 1006819 4301863 47320493