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85100395 = 517020079
BaseRepresentation
bin1010001001010…
…00011101101011
312221010112210111
411010220131223
5133241203040
612235555151
72052225052
oct504503553
9187115714
1085100395
1144045206
12245bbab7
1314827a83
14b433399
15770edea
hex512876b

85100395 has 4 divisors (see below), whose sum is σ = 102120480. Its totient is φ = 68080312.

The previous prime is 85100377. The next prime is 85100399. The reversal of 85100395 is 59300158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85100395 - 211 = 85098347 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85100399) 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 3 ways as a sum of consecutive naturals, for example, 8510035 + ... + 8510044.

It is an arithmetic number, because the mean of its divisors is an integer number (25530120).

Almost surely, 285100395 is an apocalyptic number.

85100395 is a deficient number, since it is larger than the sum of its proper divisors (17020085).

85100395 is a wasteful number, since it uses less digits than its factorization.

85100395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17020084.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 85100395 is about 9224.9875338669. The cubic root of 85100395 is about 439.8560048783.

The spelling of 85100395 in words is "eighty-five million, one hundred thousand, three hundred ninety-five".

Divisors: 1 5 17020079 85100395