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85235427 = 3230193137
BaseRepresentation
bin1010001010010…
…01011011100011
312221101102000200
411011021123203
5133310013202
612242520243
72053326534
oct505113343
9187342020
1085235427
1144127702
1224666083
1314874384
14b46a68b
157739e1c
hex51496e3

85235427 has 12 divisors (see below), whose sum is σ = 123197880. Its totient is φ = 56786688.

The previous prime is 85235413. The next prime is 85235441. The reversal of 85235427 is 72453258.

It is an interprime number because it is at equal distance from previous prime (85235413) and next prime (85235441).

It is not a de Polignac number, because 85235427 - 215 = 85202659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85235391 and 85235400.

It is not an unprimeable number, because it can be changed into a prime (85235477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25603 + ... + 28739.

It is an arithmetic number, because the mean of its divisors is an integer number (10266490).

Almost surely, 285235427 is an apocalyptic number.

85235427 is a deficient number, since it is larger than the sum of its proper divisors (37962453).

85235427 is a wasteful number, since it uses less digits than its factorization.

85235427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162 (or 6159 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 85235427 is about 9232.3034503855. The cubic root of 85235427 is about 440.0885272974.

The spelling of 85235427 in words is "eighty-five million, two hundred thirty-five thousand, four hundred twenty-seven".

Divisors: 1 3 9 3019 3137 9057 9411 27171 28233 9470603 28411809 85235427