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71714489 = 7211133051
BaseRepresentation
bin1000100011001…
…00011010111001
311222221110210012
410101210122321
5121324330424
611041031305
71530364100
oct421443271
9158843705
1071714489
1137532180
1220025535
1311b1c012
14974b037
156468b0e
hex44646b9

71714489 has 12 divisors (see below), whose sum is σ = 91007568. Its totient is φ = 55881000.

The previous prime is 71714429. The next prime is 71714507. The reversal of 71714489 is 98441717.

It is not a de Polignac number, because 71714489 - 212 = 71710393 is a prime.

It is a super-2 number, since 2×717144892 = 10285935865062242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71714429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65987 + ... + 67064.

It is an arithmetic number, because the mean of its divisors is an integer number (7583964).

Almost surely, 271714489 is an apocalyptic number.

It is an amenable number.

71714489 is a deficient number, since it is larger than the sum of its proper divisors (19293079).

71714489 is a wasteful number, since it uses less digits than its factorization.

71714489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133076 (or 133069 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 71714489 is about 8468.4407655719. The cubic root of 71714489 is about 415.4661409511.

The spelling of 71714489 in words is "seventy-one million, seven hundred fourteen thousand, four hundred eighty-nine".

Divisors: 1 7 11 49 77 539 133051 931357 1463561 6519499 10244927 71714489