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85019092 = 2271299363
BaseRepresentation
bin1010001000101…
…00100111010100
312220222102021021
411010110213110
5133231102332
612234130524
72051436034
oct504244724
9186872237
1085019092
1143a9a114
1224580a44
13147c9a72
14b4118c4
1576e5c97
hex51149d4

85019092 has 12 divisors (see below), whose sum is σ = 150879456. Its totient is φ = 41910680.

The previous prime is 85019087. The next prime is 85019107. The reversal of 85019092 is 29091058.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149398 + ... + 149965.

It is an arithmetic number, because the mean of its divisors is an integer number (12573288).

Almost surely, 285019092 is an apocalyptic number.

It is an amenable number.

85019092 is a deficient number, since it is larger than the sum of its proper divisors (65860364).

85019092 is a wasteful number, since it uses less digits than its factorization.

85019092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299438 (or 299436 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 85019092 is about 9220.5798082333. The cubic root of 85019092 is about 439.7158840738.

The spelling of 85019092 in words is "eighty-five million, nineteen thousand, ninety-two".

Divisors: 1 2 4 71 142 284 299363 598726 1197452 21254773 42509546 85019092