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71485966 = 247760489
BaseRepresentation
bin1000100001011…
…00101000001110
311222111212022101
410100230220032
5121300022331
611032105314
71525422616
oct420545016
9158455271
1071485966
1137396512
121bb3523a
1311a6bcb6
1496cba46
156421061
hex442ca0e

71485966 has 8 divisors (see below), whose sum is σ = 109510560. Its totient is φ = 34982448.

The previous prime is 71485963. The next prime is 71485979. The reversal of 71485966 is 66958417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×714859662 = 10220486669906312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71485963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380151 + ... + 380338.

It is an arithmetic number, because the mean of its divisors is an integer number (13688820).

Almost surely, 271485966 is an apocalyptic number.

71485966 is a deficient number, since it is larger than the sum of its proper divisors (38024594).

71485966 is a wasteful number, since it uses less digits than its factorization.

71485966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760538.

The product of its digits is 362880, while the sum is 46.

The square root of 71485966 is about 8454.9373741028. The cubic root of 71485966 is about 415.0243678535.

The spelling of 71485966 in words is "seventy-one million, four hundred eighty-five thousand, nine hundred sixty-six".

Divisors: 1 2 47 94 760489 1520978 35742983 71485966