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47970443 is a prime number
BaseRepresentation
bin1011011011111…
…1100010001011
310100021011002002
42312333202023
544240023233
64432101215
71121512343
oct266774213
9110234062
1047970443
11250949a4
121409480b
139c276a1
146529d23
1543286e8
hex2dbf88b

47970443 has 2 divisors, whose sum is σ = 47970444. Its totient is φ = 47970442.

The previous prime is 47970371. The next prime is 47970449. The reversal of 47970443 is 34407974.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47970443 - 28 = 47970187 is a prime.

It is a Chen prime.

It is equal to p2886491 and since 47970443 and 2886491 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 47970397 and 47970406.

It is not a weakly prime, because it can be changed into another prime (47970449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23985221 + 23985222.

It is an arithmetic number, because the mean of its divisors is an integer number (23985222).

Almost surely, 247970443 is an apocalyptic number.

47970443 is a deficient number, since it is larger than the sum of its proper divisors (1).

47970443 is an equidigital number, since it uses as much as digits as its factorization.

47970443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 47970443 is about 6926.0698090620. The cubic root of 47970443 is about 363.3495079259.

The spelling of 47970443 in words is "forty-seven million, nine hundred seventy thousand, four hundred forty-three".