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76838976 = 263353839
BaseRepresentation
bin1001001010001…
…11100001000000
312100120211021000
410211013201000
5124132321401
611342532000
71622056224
oct445074100
9170524230
1076838976
113a412295
1221897000
1312bc4666
14a2c2784
156b2c186
hex4947840

76838976 has 112 divisors (see below), whose sum is σ = 230428800. Its totient is φ = 25099776.

The previous prime is 76838959. The next prime is 76838977. The reversal of 76838976 is 67983867.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (76838977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91165 + ... + 92003.

It is an arithmetic number, because the mean of its divisors is an integer number (2057400).

Almost surely, 276838976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76838976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115214400).

76838976 is an abundant number, since it is smaller than the sum of its proper divisors (153589824).

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

76838976 is a wasteful number, since it uses less digits than its factorization.

76838976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 897 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 76838976 is about 8765.7843915990. The cubic root of 76838976 is about 425.1353220755.

The spelling of 76838976 in words is "seventy-six million, eight hundred thirty-eight thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 64 72 96 106 108 144 159 192 212 216 288 318 424 432 477 576 636 839 848 864 954 1272 1431 1678 1696 1728 1908 2517 2544 2862 3356 3392 3816 5034 5088 5724 6712 7551 7632 10068 10176 11448 13424 15102 15264 20136 22653 22896 26848 30204 30528 40272 44467 45306 45792 53696 60408 80544 88934 90612 91584 120816 133401 161088 177868 181224 241632 266802 355736 362448 400203 483264 533604 711472 724896 800406 1067208 1200609 1422944 1449792 1600812 2134416 2401218 2845888 3201624 4268832 4802436 6403248 8537664 9604872 12806496 19209744 25612992 38419488 76838976