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85900326 = 2343332947
BaseRepresentation
bin1010001111010…
…11110000100110
312222122012002120
411013223300212
5133442302301
612305050410
72062066161
oct507536046
9188565076
1085900326
1144541206
1224926a06
1314a47bc5
14b5a0ad8
15781be36
hex51ebc26

85900326 has 16 divisors (see below), whose sum is σ = 175796544. Its totient is φ = 27967464.

The previous prime is 85900319. The next prime is 85900327. The reversal of 85900326 is 62300958.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85900327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166216 + ... + 166731.

It is an arithmetic number, because the mean of its divisors is an integer number (10987284).

Almost surely, 285900326 is an apocalyptic number.

85900326 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

85900326 is an abundant number, since it is smaller than the sum of its proper divisors (89896218).

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

85900326 is a wasteful number, since it uses less digits than its factorization.

85900326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332995.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 85900326 is about 9268.2428755401. The cubic root of 85900326 is about 441.2299025962.

The spelling of 85900326 in words is "eighty-five million, nine hundred thousand, three hundred twenty-six".

Divisors: 1 2 3 6 43 86 129 258 332947 665894 998841 1997682 14316721 28633442 42950163 85900326