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86766948 = 223223432437
BaseRepresentation
bin1010010101111…
…11010101100100
320001021012212200
411022333111210
5134203020243
612335414500
72102335602
oct512772544
9201235780
1086766948
1144a83324
1225084430
1314c8c4b8
14b748872
15793dad3
hex52bf564

86766948 has 72 divisors (see below), whose sum is σ = 234282048. Its totient is φ = 27010368.

The previous prime is 86766941. The next prime is 86767001. The reversal of 86766948 is 84966768.

It is a junction number, because it is equal to n+sod(n) for n = 86766894 and 86766903.

It is not an unprimeable number, because it can be changed into a prime (86766941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34386 + ... + 36822.

Almost surely, 286766948 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 86766948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117141024).

86766948 is an abundant number, since it is smaller than the sum of its proper divisors (147515100).

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

86766948 is a wasteful number, since it uses less digits than its factorization.

86766948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2508 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 86766948 is about 9314.8777769759. The cubic root of 86766948 is about 442.7087514524.

The spelling of 86766948 in words is "eighty-six million, seven hundred sixty-six thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 43 46 69 86 92 129 138 172 207 258 276 387 414 516 774 828 989 1548 1978 2437 2967 3956 4874 5934 7311 8901 9748 11868 14622 17802 21933 29244 35604 43866 56051 87732 104791 112102 168153 209582 224204 314373 336306 419164 504459 628746 672612 943119 1008918 1257492 1886238 2017836 2410193 3772476 4820386 7230579 9640772 14461158 21691737 28922316 43383474 86766948