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85033338 = 23135471993
BaseRepresentation
bin1010001000110…
…00000101111010
312221000010210220
411010120011322
5133232031323
612234320510
72051525415
oct504300572
9187003726
1085033338
1143aa9895
1224589136
13148033b0
14b416b7c
1576ea0e3
hex511817a

85033338 has 32 divisors (see below), whose sum is σ = 183575616. Its totient is φ = 26103168.

The previous prime is 85033313. The next prime is 85033339. The reversal of 85033338 is 83333058.

It is a junction number, because it is equal to n+sod(n) for n = 85033299 and 85033308.

It is not an unprimeable number, because it can be changed into a prime (85033339) 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, 41670 + ... + 43662.

It is an arithmetic number, because the mean of its divisors is an integer number (5736738).

Almost surely, 285033338 is an apocalyptic number.

85033338 is an abundant number, since it is smaller than the sum of its proper divisors (98542278).

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

85033338 is a wasteful number, since it uses less digits than its factorization.

85033338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 85033338 is about 9221.3522869479. The cubic root of 85033338 is about 439.7404426465.

The spelling of 85033338 in words is "eighty-five million, thirty-three thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 547 1094 1641 1993 3282 3986 5979 7111 11958 14222 21333 25909 42666 51818 77727 155454 1090171 2180342 3270513 6541026 14172223 28344446 42516669 85033338