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71679316 = 22233141613
BaseRepresentation
bin1000100010110…
…11110101010100
311222212200112111
410101123311110
5121322214231
611040200404
71530156412
oct421336524
9158780474
1071679316
1137508805
1220009104
1311b08cc7
14973c2b2
15645d4b1
hex445bd54

71679316 has 48 divisors (see below), whose sum is σ = 138636288. Its totient is φ = 32313600.

The previous prime is 71679313. The next prime is 71679317. The reversal of 71679316 is 61397617.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71679313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116626 + ... + 117238.

It is an arithmetic number, because the mean of its divisors is an integer number (2888256).

Almost surely, 271679316 is an apocalyptic number.

It is an amenable number.

71679316 is a deficient number, since it is larger than the sum of its proper divisors (66956972).

71679316 is a wasteful number, since it uses less digits than its factorization.

71679316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 710 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 71679316 is about 8466.3638003573. The cubic root of 71679316 is about 415.3982068396.

The spelling of 71679316 in words is "seventy-one million, six hundred seventy-nine thousand, three hundred sixteen".

Divisors: 1 2 4 23 31 41 46 62 82 92 124 164 613 713 943 1226 1271 1426 1886 2452 2542 2852 3772 5084 14099 19003 25133 28198 29233 38006 50266 56396 58466 76012 100532 116932 437069 578059 779123 874138 1156118 1558246 1748276 2312236 3116492 17919829 35839658 71679316