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47460869 is a prime number
BaseRepresentation
bin1011010100001…
…1001000000101
310022022021001222
42311003020011
544122221434
64413130125
71114260611
oct265031005
9108267058
1047460869
1124877065
1213a89945
139aa9771
146436341
15427772e
hex2d43205

47460869 has 2 divisors, whose sum is σ = 47460870. Its totient is φ = 47460868.

The previous prime is 47460851. The next prime is 47460871. The reversal of 47460869 is 96806474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32638369 + 14822500 = 5713^2 + 3850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47460869 is a prime.

It is a super-2 number, since 2×474608692 = 4505068172470322, which contains 22 as substring.

Together with 47460871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47463869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23730434 + 23730435.

It is an arithmetic number, because the mean of its divisors is an integer number (23730435).

Almost surely, 247460869 is an apocalyptic number.

It is an amenable number.

47460869 is a deficient number, since it is larger than the sum of its proper divisors (1).

47460869 is an equidigital number, since it uses as much as digits as its factorization.

47460869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 47460869 is about 6889.1849300189. The cubic root of 47460869 is about 362.0583450416.

The spelling of 47460869 in words is "forty-seven million, four hundred sixty thousand, eight hundred sixty-nine".