Search a number
-
+
47941697 is a prime number
BaseRepresentation
bin1011011011100…
…0100001000001
310100012200122102
42312320201001
544233113242
64431320145
71121332466
oct266704101
9110180572
1047941697
1125075341
1214080055
139c1758b
14651d66d
15431ee32
hex2db8841

47941697 has 2 divisors, whose sum is σ = 47941698. Its totient is φ = 47941696.

The previous prime is 47941667. The next prime is 47941711. The reversal of 47941697 is 79614974.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47761921 + 179776 = 6911^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 47941697 - 26 = 47941633 is a prime.

It is a super-2 number, since 2×479416972 = 4596812622479618, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47941667) 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 as a sum of consecutive naturals, namely, 23970848 + 23970849.

It is an arithmetic number, because the mean of its divisors is an integer number (23970849).

Almost surely, 247941697 is an apocalyptic number.

It is an amenable number.

47941697 is a deficient number, since it is larger than the sum of its proper divisors (1).

47941697 is an equidigital number, since it uses as much as digits as its factorization.

47941697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 47941697 is about 6923.9942952027. The cubic root of 47941697 is about 363.2769150865.

The spelling of 47941697 in words is "forty-seven million, nine hundred forty-one thousand, six hundred ninety-seven".