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47426081 is a prime number
BaseRepresentation
bin1011010011101…
…0101000100001
310022020111100112
42310322220201
544120113311
64412301105
71114054313
oct264725041
9108214315
1047426081
1124852a0a
1213a71795
139a96991
1464277b3
15426c28b
hex2d3aa21

47426081 has 2 divisors, whose sum is σ = 47426082. Its totient is φ = 47426080.

The previous prime is 47426077. The next prime is 47426087. The reversal of 47426081 is 18062474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30747025 + 16679056 = 5545^2 + 4084^2 .

It is a cyclic number.

It is not a de Polignac number, because 47426081 - 22 = 47426077 is a prime.

It is a super-2 number, since 2×474260812 = 4498466318037122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47426087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23713040 + 23713041.

It is an arithmetic number, because the mean of its divisors is an integer number (23713041).

Almost surely, 247426081 is an apocalyptic number.

It is an amenable number.

47426081 is a deficient number, since it is larger than the sum of its proper divisors (1).

47426081 is an equidigital number, since it uses as much as digits as its factorization.

47426081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 47426081 is about 6886.6596402029. The cubic root of 47426081 is about 361.9698625745.

The spelling of 47426081 in words is "forty-seven million, four hundred twenty-six thousand, eighty-one".