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47945297 is a prime number
BaseRepresentation
bin1011011011100…
…1011001010001
310100012212120202
42312321121101
544233222142
64431344545
71121346131
oct266713121
9110185522
1047945297
1125078014
1214082155
139c190ca
146520ac1
154321032
hex2db9651

47945297 has 2 divisors, whose sum is σ = 47945298. Its totient is φ = 47945296.

The previous prime is 47945291. The next prime is 47945333. The reversal of 47945297 is 79254974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33535681 + 14409616 = 5791^2 + 3796^2 .

It is a cyclic number.

It is not a de Polignac number, because 47945297 - 214 = 47928913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47945291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23972648 + 23972649.

It is an arithmetic number, because the mean of its divisors is an integer number (23972649).

Almost surely, 247945297 is an apocalyptic number.

It is an amenable number.

47945297 is a deficient number, since it is larger than the sum of its proper divisors (1).

47945297 is an equidigital number, since it uses as much as digits as its factorization.

47945297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 47945297 is about 6924.2542558748. The cubic root of 47945297 is about 363.2860078265.

The spelling of 47945297 in words is "forty-seven million, nine hundred forty-five thousand, two hundred ninety-seven".