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71714747 = 13101193283
BaseRepresentation
bin1000100011001…
…00011110111011
311222221111010202
410101210132323
5121324332442
611041032415
71530364616
oct421443673
9158844122
1071714747
1137532395
122002570b
1311b1c180
14974b17d
156468c32
hex44647bb

71714747 has 16 divisors (see below), whose sum is σ = 78677088. Its totient is φ = 64972800.

The previous prime is 71714737. The next prime is 71714761. The reversal of 71714747 is 74741717.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71714747 - 218 = 71452603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71714747.

It is not an unprimeable number, because it can be changed into a prime (71714737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253268 + ... + 253550.

It is an arithmetic number, because the mean of its divisors is an integer number (4917318).

Almost surely, 271714747 is an apocalyptic number.

71714747 is a deficient number, since it is larger than the sum of its proper divisors (6962341).

71714747 is a wasteful number, since it uses less digits than its factorization.

71714747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 38416, while the sum is 38.

The square root of 71714747 is about 8468.4559985868. The cubic root of 71714747 is about 415.4666391774.

The spelling of 71714747 in words is "seventy-one million, seven hundred fourteen thousand, seven hundred forty-seven".

Divisors: 1 13 101 193 283 1313 2509 3679 19493 28583 54619 253409 371579 710047 5516519 71714747