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85826724 = 223193112143
BaseRepresentation
bin1010001110110…
…01110010100100
312222111110010120
411013121302210
5133432423344
612303321540
72061341454
oct507316244
9188443116
1085826724
11444a0985
12248b02b0
1314a20559
14b581d64
157805219
hex51d9ca4

85826724 has 48 divisors (see below), whose sum is σ = 217620480. Its totient is φ = 26226720.

The previous prime is 85826723. The next prime is 85826729. The reversal of 85826724 is 42762858.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85826723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997 + ... + 13139.

It is an arithmetic number, because the mean of its divisors is an integer number (4533760).

Almost surely, 285826724 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 85826724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108810240).

85826724 is an abundant number, since it is smaller than the sum of its proper divisors (131793756).

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

85826724 is a wasteful number, since it uses less digits than its factorization.

85826724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200 (or 12198 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 85826724 is about 9264.2713690824. The cubic root of 85826724 is about 441.1038468735.

The spelling of 85826724 in words is "eighty-five million, eight hundred twenty-six thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 31 38 57 62 76 93 114 124 186 228 372 589 1178 1767 2356 3534 7068 12143 24286 36429 48572 72858 145716 230717 376433 461434 692151 752866 922868 1129299 1384302 1505732 2258598 2768604 4517196 7152227 14304454 21456681 28608908 42913362 85826724