Search a number
-
+
85869942 = 2314311657
BaseRepresentation
bin1010001111001…
…00010101110110
312222120122102020
411013210111312
5133440314232
612304254010
72061611454
oct507442566
9188518366
1085869942
11445203a4
1224911306
1314a37122
14b5939d4
157812e2c
hex51e4576

85869942 has 8 divisors (see below), whose sum is σ = 171739896. Its totient is φ = 28623312.

The previous prime is 85869937. The next prime is 85869983. The reversal of 85869942 is 24996858.

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

85869942 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7155823 + ... + 7155834.

It is an arithmetic number, because the mean of its divisors is an integer number (21467487).

Almost surely, 285869942 is an apocalyptic number.

85869942 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.

85869942 is a wasteful number, since it uses less digits than its factorization.

85869942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311662.

The product of its digits is 1244160, while the sum is 51.

The square root of 85869942 is about 9266.6035849172. The cubic root of 85869942 is about 441.1778736499.

It can be divided in two parts, 8586 and 9942, that added together give a triangular number (18528 = T192).

The spelling of 85869942 in words is "eighty-five million, eight hundred sixty-nine thousand, nine hundred forty-two".

Divisors: 1 2 3 6 14311657 28623314 42934971 85869942