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76811112 = 23337371373
BaseRepresentation
bin1001001010000…
…00101101101000
312100112102001000
410211000231220
5124130423422
611342155000
71621612050
oct445005550
9170472030
1076811112
113a3a3364
1221882a60
1312bb4a81
14a2b6560
156b23cac
hex4940b68

76811112 has 128 divisors (see below), whose sum is σ = 250617600. Its totient is φ = 21337344.

The previous prime is 76811107. The next prime is 76811131. The reversal of 76811112 is 21111867.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55258 + ... + 56630.

It is an arithmetic number, because the mean of its divisors is an integer number (1957950).

Almost surely, 276811112 is an apocalyptic number.

76811112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76811112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125308800).

76811112 is an abundant number, since it is smaller than the sum of its proper divisors (173806488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76811112 is a wasteful number, since it uses less digits than its factorization.

76811112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1422 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 76811112 is about 8764.1948860121. The cubic root of 76811112 is about 425.0839271393.

Adding to 76811112 its reverse (21111867), we get a palindrome (97922979).

The spelling of 76811112 in words is "seventy-six million, eight hundred eleven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 37 42 54 56 63 72 74 84 108 111 126 148 168 189 216 222 252 259 296 333 378 444 504 518 666 756 777 888 999 1036 1332 1373 1512 1554 1998 2072 2331 2664 2746 3108 3996 4119 4662 5492 6216 6993 7992 8238 9324 9611 10984 12357 13986 16476 18648 19222 24714 27972 28833 32952 37071 38444 49428 50801 55944 57666 74142 76888 86499 98856 101602 115332 148284 152403 172998 203204 230664 259497 296568 304806 345996 355607 406408 457209 518994 609612 691992 711214 914418 1037988 1066821 1219224 1371627 1422428 1828836 2075976 2133642 2743254 2844856 3200463 3657672 4267284 5486508 6400926 8534568 9601389 10973016 12801852 19202778 25603704 38405556 76811112