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86677668 = 223372111489
BaseRepresentation
bin1010010101010…
…01100010100100
320001002200102000
411022221202210
5134142141133
612333445300
72101514400
oct512514244
9201080360
1086677668
1144a22240
1225040830
1314c5a97c
14b724100
157922413
hex52a98a4

86677668 has 144 divisors (see below), whose sum is σ = 285364800. Its totient is φ = 22498560.

The previous prime is 86677663. The next prime is 86677687.

86677668 is nontrivially palindromic in base 10.

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

Its product of digits (4064256) is a multiple of the sum of its prime divisors (1512).

It is not an unprimeable number, because it can be changed into a prime (86677663) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 57468 + ... + 58956.

It is an arithmetic number, because the mean of its divisors is an integer number (1981700).

Almost surely, 286677668 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 86677668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142682400).

86677668 is an abundant number, since it is smaller than the sum of its proper divisors (198687132).

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

86677668 is a wasteful number, since it uses less digits than its factorization.

86677668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1512 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 86677668 is about 9310.0842101455. The cubic root of 86677668 is about 442.5568556649.

The spelling of 86677668 in words is "eighty-six million, six hundred seventy-seven thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 84 98 99 108 126 132 147 154 189 196 198 231 252 294 297 308 378 396 441 462 539 588 594 693 756 882 924 1078 1188 1323 1386 1489 1617 1764 2079 2156 2646 2772 2978 3234 4158 4467 4851 5292 5956 6468 8316 8934 9702 10423 13401 14553 16379 17868 19404 20846 26802 29106 31269 32758 40203 41692 49137 53604 58212 62538 65516 72961 80406 93807 98274 114653 125076 145922 147411 160812 187614 196548 218883 229306 281421 291844 294822 343959 375228 437766 442233 458612 562842 589644 656649 687918 802571 875532 884466 1031877 1125684 1313298 1375836 1605142 1768932 1969947 2063754 2407713 2626596 3095631 3210284 3939894 4127508 4815426 6191262 7223139 7879788 9630852 12382524 14446278 21669417 28892556 43338834 86677668