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71486407 is a prime number
BaseRepresentation
bin1000100001011…
…00101111000111
311222111212220201
410100230233013
5121300031112
611032111331
71525424116
oct420545707
9158455821
1071486407
1137396883
121bb35547
1311a6c265
1496cbc7d
156421257
hex442cbc7

71486407 has 2 divisors, whose sum is σ = 71486408. Its totient is φ = 71486406.

The previous prime is 71486357. The next prime is 71486413. The reversal of 71486407 is 70468417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71486407 - 215 = 71453639 is a prime.

It is a super-2 number, since 2×714864072 = 10220612771539298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71406407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35743203 + 35743204.

It is an arithmetic number, because the mean of its divisors is an integer number (35743204).

Almost surely, 271486407 is an apocalyptic number.

71486407 is a deficient number, since it is larger than the sum of its proper divisors (1).

71486407 is an equidigital number, since it uses as much as digits as its factorization.

71486407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 71486407 is about 8454.9634534988. The cubic root of 71486407 is about 415.0252212862.

The spelling of 71486407 in words is "seventy-one million, four hundred eighty-six thousand, four hundred seven".