Search a number
-
+
85190418 = 23231152671
BaseRepresentation
bin1010001001111…
…10011100010010
312221022010021200
411010332130102
5133302043133
612241532030
72053051365
oct504763422
9187263250
1085190418
11440a6905
1224644016
1314859a41
14b4580dc
15772b913
hex513e712

85190418 has 24 divisors (see below), whose sum is σ = 190534656. Its totient is φ = 27480600.

The previous prime is 85190407. The next prime is 85190431. The reversal of 85190418 is 81409158.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 75778 + ... + 76893.

It is an arithmetic number, because the mean of its divisors is an integer number (7938944).

Almost surely, 285190418 is an apocalyptic number.

85190418 is an abundant number, since it is smaller than the sum of its proper divisors (105344238).

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

85190418 is a wasteful number, since it uses less digits than its factorization.

85190418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152710 (or 152707 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 85190418 is about 9229.8655461496. The cubic root of 85190418 is about 440.0110499980.

The spelling of 85190418 in words is "eighty-five million, one hundred ninety thousand, four hundred eighteen".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 152671 305342 458013 916026 1374039 2748078 4732801 9465602 14198403 28396806 42595209 85190418