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47197193 = 97486569
BaseRepresentation
bin1011010000001…
…0110000001001
310021210212101012
42310002300021
544040302233
64403333305
71112112101
oct264026011
9107725335
1047197193
1124706a4a
1213981235
139a16744
1463a8201
154224548
hex2d02c09

47197193 has 4 divisors (see below), whose sum is σ = 47683860. Its totient is φ = 46710528.

The previous prime is 47197169. The next prime is 47197217. The reversal of 47197193 is 39179174.

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

It is an interprime number because it is at equal distance from previous prime (47197169) and next prime (47197217).

It can be written as a sum of positive squares in 2 ways, for example, as 32855824 + 14341369 = 5732^2 + 3787^2 .

It is a cyclic number.

It is not a de Polignac number, because 47197193 - 28 = 47196937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47197193.

It is not an unprimeable number, because it can be changed into a prime (47197153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243188 + ... + 243381.

It is an arithmetic number, because the mean of its divisors is an integer number (11920965).

Almost surely, 247197193 is an apocalyptic number.

It is an amenable number.

47197193 is a deficient number, since it is larger than the sum of its proper divisors (486667).

47197193 is an equidigital number, since it uses as much as digits as its factorization.

47197193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486666.

The product of its digits is 47628, while the sum is 41.

The square root of 47197193 is about 6870.0213245666. The cubic root of 47197193 is about 361.3866096521.

The spelling of 47197193 in words is "forty-seven million, one hundred ninety-seven thousand, one hundred ninety-three".

Divisors: 1 97 486569 47197193