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47384197 = 76769171
BaseRepresentation
bin1011010011000…
…0011010000101
310022011100220021
42310300122011
544112243242
64411335141
71113521230
oct264603205
9108140807
1047384197
11248244a3
1213a514b1
139a808b3
146416417
15425eb67
hex2d30685

47384197 has 4 divisors (see below), whose sum is σ = 54153376. Its totient is φ = 40615020.

The previous prime is 47384191. The next prime is 47384273. The reversal of 47384197 is 79148374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47384197 - 23 = 47384189 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 (47384191) 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 3 ways as a sum of consecutive naturals, for example, 3384579 + ... + 3384592.

It is an arithmetic number, because the mean of its divisors is an integer number (13538344).

Almost surely, 247384197 is an apocalyptic number.

It is an amenable number.

47384197 is a deficient number, since it is larger than the sum of its proper divisors (6769179).

47384197 is an equidigital number, since it uses as much as digits as its factorization.

47384197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769178.

The product of its digits is 169344, while the sum is 43.

The square root of 47384197 is about 6883.6180167119. The cubic root of 47384197 is about 361.8632741698.

The spelling of 47384197 in words is "forty-seven million, three hundred eighty-four thousand, one hundred ninety-seven".

Divisors: 1 7 6769171 47384197