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86808246 = 23731611093
BaseRepresentation
bin1010010110010…
…01011010110110
320001100022112020
411023021122312
5134210330441
612340334010
72102600160
oct513113266
9201308466
1086808246
1145001358
12250a4306
1314ca5235
14b759930
15794ae66
hex52c96b6

86808246 has 64 divisors (see below), whose sum is σ = 208367616. Its totient is φ = 23587200.

The previous prime is 86808229. The next prime is 86808263. The reversal of 86808246 is 64280868.

It is an interprime number because it is at equal distance from previous prime (86808229) and next prime (86808263).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 86808198 and 86808207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78876 + ... + 79968.

It is an arithmetic number, because the mean of its divisors is an integer number (3255744).

Almost surely, 286808246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86808246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104183808).

86808246 is an abundant number, since it is smaller than the sum of its proper divisors (121559370).

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

86808246 is a wasteful number, since it uses less digits than its factorization.

86808246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 86808246 is about 9317.0942895304. The cubic root of 86808246 is about 442.7789782170.

The spelling of 86808246 in words is "eighty-six million, eight hundred eight thousand, two hundred forty-six".

Divisors: 1 2 3 6 7 14 21 31 42 61 62 93 122 183 186 217 366 427 434 651 854 1093 1281 1302 1891 2186 2562 3279 3782 5673 6558 7651 11346 13237 15302 22953 26474 33883 39711 45906 66673 67766 79422 101649 133346 200019 203298 237181 400038 466711 474362 711543 933422 1400133 1423086 2066863 2800266 4133726 6200589 12401178 14468041 28936082 43404123 86808246