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71139106 = 247756799
BaseRepresentation
bin1000011110101…
…11111100100010
311221212020111201
410033113330202
5121202422411
611020431414
71522446433
oct417277442
9157766451
1071139106
1137179955
121b9a856a
131197a15c
14963b48a
1563a33c1
hex43d7f22

71139106 has 8 divisors (see below), whose sum is σ = 108979200. Its totient is φ = 34812708.

The previous prime is 71139083. The next prime is 71139119. The reversal of 71139106 is 60193117.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378306 + ... + 378493.

It is an arithmetic number, because the mean of its divisors is an integer number (13622400).

Almost surely, 271139106 is an apocalyptic number.

71139106 is a deficient number, since it is larger than the sum of its proper divisors (37840094).

71139106 is a wasteful number, since it uses less digits than its factorization.

71139106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756848.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 71139106 is about 8434.4001565019. The cubic root of 71139106 is about 414.3520269707.

The spelling of 71139106 in words is "seventy-one million, one hundred thirty-nine thousand, one hundred six".

Divisors: 1 2 47 94 756799 1513598 35569553 71139106