Search a number
-
+
85942356 = 2237161863
BaseRepresentation
bin1010001111101…
…10000001010100
312222201022202020
411013312001110
5134000123411
612310013140
72062332543
oct507660124
9188638666
1085942356
114456a845
12249471b0
1314a61086
14b5b215a
157829606
hex51f6054

85942356 has 12 divisors (see below), whose sum is σ = 200532192. Its totient is φ = 28647448.

The previous prime is 85942349. The next prime is 85942357. The reversal of 85942356 is 65324958.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×859423563 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85942357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580920 + ... + 3580943.

It is an arithmetic number, because the mean of its divisors is an integer number (16711016).

Almost surely, 285942356 is an apocalyptic number.

It is an amenable number.

85942356 is an abundant number, since it is smaller than the sum of its proper divisors (114589836).

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

85942356 is a wasteful number, since it uses less digits than its factorization.

85942356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161870 (or 7161868 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 85942356 is about 9270.5100183323. The cubic root of 85942356 is about 441.3018536969.

The spelling of 85942356 in words is "eighty-five million, nine hundred forty-two thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 7161863 14323726 21485589 28647452 42971178 85942356