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30616086 = 2343532239
BaseRepresentation
bin111010011001…
…0101000010110
32010121110101010
41310302220112
530314203321
63012113050
7521142504
oct164625026
963543333
1030616086
1116311356
12a305786
13645c537
1440cd674
152a4b676
hex1d32a16

30616086 has 32 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 9775584.

The previous prime is 30616081. The next prime is 30616097. The reversal of 30616086 is 68061603.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30616081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12555 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 230616086 is an apocalyptic number.

30616086 is an abundant number, since it is smaller than the sum of its proper divisors (33250794).

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

30616086 is a wasteful number, since it uses less digits than its factorization.

30616086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30616086 is about 5533.1804597356. The cubic root of 30616086 is about 312.8358790768.

Adding to 30616086 its reverse (68061603), we get a palindrome (98677689).

The spelling of 30616086 in words is "thirty million, six hundred sixteen thousand, eighty-six".

Divisors: 1 2 3 6 43 53 86 106 129 159 258 318 2239 2279 4478 4558 6717 6837 13434 13674 96277 118667 192554 237334 288831 356001 577662 712002 5102681 10205362 15308043 30616086