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80810604 = 22327261751
BaseRepresentation
bin1001101000100…
…01001001101100
312122001121022100
410310101021230
5131141414404
612004015100
72000610300
oct464211154
9178047270
1080810604
1141685226
1223091490
1313985334
14aa37d00
157163d39
hex4d1126c

80810604 has 108 divisors (see below), whose sum is σ = 241838688. Its totient is φ = 22680000.

The previous prime is 80810593. The next prime is 80810621. The reversal of 80810604 is 40601808.

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 35 ways as a sum of consecutive naturals, for example, 107229 + ... + 107979.

Almost surely, 280810604 is an apocalyptic number.

80810604 is a gapful number since it is divisible by the number (84) 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 80810604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120919344).

80810604 is an abundant number, since it is smaller than the sum of its proper divisors (161028084).

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

80810604 is a wasteful number, since it uses less digits than its factorization.

80810604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 80810604 is about 8989.4718421051. The cubic root of 80810604 is about 432.3373779112.

The spelling of 80810604 in words is "eighty million, eight hundred ten thousand, six hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 61 63 84 98 122 126 147 183 196 244 252 294 366 427 441 549 588 732 751 854 882 1098 1281 1502 1708 1764 2196 2253 2562 2989 3004 3843 4506 5124 5257 5978 6759 7686 8967 9012 10514 11956 13518 15372 15771 17934 21028 26901 27036 31542 35868 36799 45811 47313 53802 63084 73598 91622 94626 107604 110397 137433 147196 183244 189252 220794 274866 320677 331191 412299 441588 549732 641354 662382 824598 962031 1282708 1324764 1649196 1924062 2244739 2886093 3848124 4489478 5772186 6734217 8978956 11544372 13468434 20202651 26936868 40405302 80810604