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71914075 = 5221113633
BaseRepresentation
bin1000100100101…
…01001001011011
312000022121120021
410102111021123
5121402222300
611045211311
71532155012
oct422251133
9160277507
1071914075
1137659122
1220100b37
1311b8bb0c
14979da79
1564a7d1a
hex449525b

71914075 has 12 divisors (see below), whose sum is σ = 89602648. Its totient is φ = 57254400.

The previous prime is 71914067. The next prime is 71914093. The reversal of 71914075 is 57041917.

It is not a de Polignac number, because 71914075 - 23 = 71914067 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 71914075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1542 + ... + 12091.

Almost surely, 271914075 is an apocalyptic number.

71914075 is a deficient number, since it is larger than the sum of its proper divisors (17688573).

71914075 is a wasteful number, since it uses less digits than its factorization.

71914075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13854 (or 13849 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 71914075 is about 8480.2166835524. The cubic root of 71914075 is about 415.8512068797.

The spelling of 71914075 in words is "seventy-one million, nine hundred fourteen thousand, seventy-five".

Divisors: 1 5 25 211 1055 5275 13633 68165 340825 2876563 14382815 71914075