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71323412 = 22294379181
BaseRepresentation
bin1000100000001…
…00111100010100
311222012121022212
410100010330110
5121224322122
611024412552
71524144656
oct420047424
9158177285
1071323412
1137295376
121ba77158
1311a13004
1496886d6
1563dcce2
hex4404f14

71323412 has 48 divisors (see below), whose sum is σ = 134534400. Its totient is φ = 33022080.

The previous prime is 71323367. The next prime is 71323423. The reversal of 71323412 is 21432317.

Its product of digits (1008) is a multiple of the sum of its prime factors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393962 + ... + 394142.

It is an arithmetic number, because the mean of its divisors is an integer number (2802800).

Almost surely, 271323412 is an apocalyptic number.

It is an amenable number.

71323412 is a deficient number, since it is larger than the sum of its proper divisors (63210988).

71323412 is a wasteful number, since it uses less digits than its factorization.

71323412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 334 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 71323412 is about 8445.3189400993. The cubic root of 71323412 is about 414.7095504817.

Adding to 71323412 its reverse (21432317), we get a palindrome (92755729).

The spelling of 71323412 in words is "seventy-one million, three hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 29 43 58 79 86 116 158 172 181 316 362 724 1247 2291 2494 3397 4582 4988 5249 6794 7783 9164 10498 13588 14299 15566 20996 28598 31132 57196 98513 197026 225707 394052 414671 451414 614857 829342 902828 1229714 1658684 2459428 17830853 35661706 71323412