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85094779 = 7112348049
BaseRepresentation
bin1010001001001…
…11000101111011
312221010021002111
411010213011323
5133241013104
612235513151
72052202510
oct504470573
9187107074
1085094779
1144040a70
12245b87b7
1314825353
14b431307
15770d404
hex512717b

85094779 has 16 divisors (see below), whose sum is σ = 110707200. Its totient is φ = 63423360.

The previous prime is 85094761. The next prime is 85094791. The reversal of 85094779 is 97749058.

It is a happy number.

It is not a de Polignac number, because 85094779 - 27 = 85094651 is a prime.

It is a super-2 number, since 2×850947792 = 14482242826117682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85094759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22254 + ... + 25795.

It is an arithmetic number, because the mean of its divisors is an integer number (6919200).

Almost surely, 285094779 is an apocalyptic number.

85094779 is a deficient number, since it is larger than the sum of its proper divisors (25612421).

85094779 is a wasteful number, since it uses less digits than its factorization.

85094779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48090.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 85094779 is about 9224.6831381896. The cubic root of 85094779 is about 439.8463289120.

The spelling of 85094779 in words is "eighty-five million, ninety-four thousand, seven hundred seventy-nine".

Divisors: 1 7 11 23 77 161 253 1771 48049 336343 528539 1105127 3699773 7735889 12156397 85094779