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85271263 = 7111107419
BaseRepresentation
bin1010001010100…
…10001011011111
312221110020011221
411011102023133
5133312140023
612243354211
72053536160
oct505221337
9187406157
1085271263
1144151620
1224682967
131488778c
14b479767
15774585d
hex51522df

85271263 has 8 divisors (see below), whose sum is σ = 106312320. Its totient is φ = 66445080.

The previous prime is 85271261. The next prime is 85271287. The reversal of 85271263 is 36217258.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85271263 - 21 = 85271261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85271261) 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, 553633 + ... + 553786.

It is an arithmetic number, because the mean of its divisors is an integer number (13289040).

Almost surely, 285271263 is an apocalyptic number.

85271263 is a deficient number, since it is larger than the sum of its proper divisors (21041057).

85271263 is a wasteful number, since it uses less digits than its factorization.

85271263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107437.

The product of its digits is 20160, while the sum is 34.

The square root of 85271263 is about 9234.2440405265. The cubic root of 85271263 is about 440.1501949369.

The spelling of 85271263 in words is "eighty-five million, two hundred seventy-one thousand, two hundred sixty-three".

Divisors: 1 7 11 77 1107419 7751933 12181609 85271263