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85831341 = 3191505813
BaseRepresentation
bin1010001110110…
…10111010101101
312222111200110120
411013122322231
5133433100331
612303355153
72061361101
oct507327255
9188450416
1085831341
11444a43a2
12248b2ab9
1314a2269b
14b583901
157806796
hex51daead

85831341 has 8 divisors (see below), whose sum is σ = 120465120. Its totient is φ = 54209232.

The previous prime is 85831337. The next prime is 85831349. The reversal of 85831341 is 14313858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85831341 - 22 = 85831337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85831349) 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, 752850 + ... + 752963.

It is an arithmetic number, because the mean of its divisors is an integer number (15058140).

Almost surely, 285831341 is an apocalyptic number.

It is an amenable number.

85831341 is a deficient number, since it is larger than the sum of its proper divisors (34633779).

85831341 is a wasteful number, since it uses less digits than its factorization.

85831341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505835.

The product of its digits is 11520, while the sum is 33.

The square root of 85831341 is about 9264.5205488466. The cubic root of 85831341 is about 441.1117563755. Note that the first 3 decimals are identical.

The spelling of 85831341 in words is "eighty-five million, eight hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 3 19 57 1505813 4517439 28610447 85831341