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85798926 = 23683709
BaseRepresentation
bin1010001110100…
…11000000001110
312222110001000000
411013103000032
5133431031201
612302545130
72061164433
oct507230016
9188401000
1085798926
1144482004
12248981a6
1314a109c5
14b575b8a
1577ebd86
hex51d300e

85798926 has 56 divisors (see below), whose sum is σ = 195559560. Its totient is φ = 28215216.

The previous prime is 85798883. The next prime is 85798939. The reversal of 85798926 is 62989758.

It is a happy number.

It is a super-2 number, since 2×857989262 = 14722911405506952, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 120660 + ... + 121368.

It is an arithmetic number, because the mean of its divisors is an integer number (3492135).

Almost surely, 285798926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85798926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97779780).

85798926 is an abundant number, since it is smaller than the sum of its proper divisors (109760634).

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

85798926 is an equidigital number, since it uses as much as digits as its factorization.

85798926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 797 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 85798926 is about 9262.7709676964. The cubic root of 85798926 is about 441.0562194050.

The spelling of 85798926 in words is "eighty-five million, seven hundred ninety-eight thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 9 18 27 54 81 83 162 166 243 249 486 498 709 729 747 1418 1458 1494 2127 2241 4254 4482 6381 6723 12762 13446 19143 20169 38286 40338 57429 58847 60507 114858 117694 121014 172287 176541 344574 353082 516861 529623 1033722 1059246 1588869 3177738 4766607 9533214 14299821 28599642 42899463 85798926