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85325331 = 371323107127
BaseRepresentation
bin1010001010111…
…11011000010011
312221112222100110
411011133120103
5133320402311
612244452403
72054152620
oct505373023
9187488313
1085325331
1144189203
12246aa103
13148a6280
14b491347
1577568a6
hex515f613

85325331 has 64 divisors (see below), whose sum is σ = 148635648. Its totient is φ = 42311808.

The previous prime is 85325321. The next prime is 85325413. The reversal of 85325331 is 13352358.

It is not a de Polignac number, because 85325331 - 26 = 85325267 is a prime.

It is a super-2 number, since 2×853253312 = 14560824220519122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85325311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 671790 + ... + 671916.

It is an arithmetic number, because the mean of its divisors is an integer number (2322432).

Almost surely, 285325331 is an apocalyptic number.

85325331 is a deficient number, since it is larger than the sum of its proper divisors (63310317).

85325331 is a wasteful number, since it uses less digits than its factorization.

85325331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 10800, while the sum is 30.

The square root of 85325331 is about 9237.1711578816. The cubic root of 85325331 is about 440.2432040461.

Adding to 85325331 its reverse (13352358), we get a palindrome (98677689).

The spelling of 85325331 in words is "eighty-five million, three hundred twenty-five thousand, three hundred thirty-one".

Divisors: 1 3 7 13 21 23 39 69 91 107 127 161 273 299 321 381 483 749 889 897 1391 1651 2093 2247 2461 2667 2921 4173 4953 6279 7383 8763 9737 11557 13589 17227 20447 29211 31993 34671 37973 40767 51681 61341 95123 95979 113919 176657 223951 265811 285369 312547 529971 671853 797433 937641 1236599 2187829 3709797 4063111 6563487 12189333 28441777 85325331