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86669336 = 231319231907
BaseRepresentation
bin1010010101001…
…11100000011000
320001002020222102
411022213200120
5134141404321
612333342532
72101451165
oct512474030
9201066872
1086669336
1144a16a56
1225037a48
1314c56c40
14b72106c
15791ec0b
hex52a7818

86669336 has 64 divisors (see below), whose sum is σ = 192326400. Its totient is φ = 36229248.

The previous prime is 86669311. The next prime is 86669339. The reversal of 86669336 is 63396668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86669339) 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 15 ways as a sum of consecutive naturals, for example, 44495 + ... + 46401.

It is an arithmetic number, because the mean of its divisors is an integer number (3005100).

Almost surely, 286669336 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 86669336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96163200).

86669336 is an abundant number, since it is smaller than the sum of its proper divisors (105657064).

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

86669336 is a wasteful number, since it uses less digits than its factorization.

86669336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1964 counting only the distinct ones).

The product of its digits is 839808, while the sum is 47.

The square root of 86669336 is about 9309.6367276065. The cubic root of 86669336 is about 442.5426747654.

The spelling of 86669336 in words is "eighty-six million, six hundred sixty-nine thousand, three hundred thirty-six".

Divisors: 1 2 4 8 13 19 23 26 38 46 52 76 92 104 152 184 247 299 437 494 598 874 988 1196 1748 1907 1976 2392 3496 3814 5681 7628 11362 15256 22724 24791 36233 43861 45448 49582 72466 87722 99164 144932 175444 198328 289864 350888 471029 570193 833359 942058 1140386 1666718 1884116 2280772 3333436 3768232 4561544 6666872 10833667 21667334 43334668 86669336