Search a number
-
+
85105194 = 2314184199
BaseRepresentation
bin1010001001010…
…01101000101010
312221010210101020
411010221220222
5133241331234
612240033310
72052245046
oct504515052
9187123336
1085105194
1144048879
1224602836
131482a005
14b435026
157711549
hex5129a2a

85105194 has 8 divisors (see below), whose sum is σ = 170210400. Its totient is φ = 28368396.

The previous prime is 85105193. The next prime is 85105211. The reversal of 85105194 is 49150158.

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

85105194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (85105193) by changing a digit.

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, 7092094 + ... + 7092105.

It is an arithmetic number, because the mean of its divisors is an integer number (21276300).

Almost surely, 285105194 is an apocalyptic number.

85105194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85105194 is a wasteful number, since it uses less digits than its factorization.

85105194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184204.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 85105194 is about 9225.2476389526. The cubic root of 85105194 is about 439.8642728748.

The spelling of 85105194 in words is "eighty-five million, one hundred five thousand, one hundred ninety-four".

Divisors: 1 2 3 6 14184199 28368398 42552597 85105194