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76668192 = 25321914011
BaseRepresentation
bin1001001000111…
…01110100100000
312100021010222200
410210131310200
5124111340232
611335133200
71620445266
oct444356440
9170233880
1076668192
113a305a47
1221814200
1312b649c3
14a27a436
156ae677c
hex491dd20

76668192 has 72 divisors (see below), whose sum is σ = 229516560. Its totient is φ = 24209280.

The previous prime is 76668169. The next prime is 76668209. The reversal of 76668192 is 29186667.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1534 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (3187730).

Almost surely, 276668192 is an apocalyptic number.

76668192 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 76668192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114758280).

76668192 is an abundant number, since it is smaller than the sum of its proper divisors (152848368).

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

76668192 is a wasteful number, since it uses less digits than its factorization.

76668192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14046 (or 14035 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 76668192 is about 8756.0374599473. The cubic root of 76668192 is about 424.8201167232.

The spelling of 76668192 in words is "seventy-six million, six hundred sixty-eight thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 2736 5472 14011 28022 42033 56044 84066 112088 126099 168132 224176 252198 266209 336264 448352 504396 532418 672528 798627 1008792 1064836 1345056 1597254 2017584 2129672 2395881 3194508 4035168 4259344 4791762 6389016 8518688 9583524 12778032 19167048 25556064 38334096 76668192