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213290086 = 21923733343
BaseRepresentation
bin11001011011010…
…00110001100110
3112212100020222211
430231220301212
5414100240321
633055314034
75166635662
oct1455506146
9485306884
10213290086
11aa43aaa9
125b51b91a
133525b569
14204818a2
1513ad20e1
hexcb68c66

213290086 has 32 divisors (see below), whose sum is σ = 356336640. Its totient is φ = 95287104.

The previous prime is 213290081. The next prime is 213290093. The reversal of 213290086 is 680092312.

213290086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213290081) 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, 62131 + ... + 65473.

It is an arithmetic number, because the mean of its divisors is an integer number (11135520).

Almost surely, 2213290086 is an apocalyptic number.

213290086 is a deficient number, since it is larger than the sum of its proper divisors (143046554).

213290086 is a wasteful number, since it uses less digits than its factorization.

213290086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 213290086 is about 14604.4543205147. The cubic root of 213290086 is about 597.4802533112.

The spelling of 213290086 in words is "two hundred thirteen million, two hundred ninety thousand, eighty-six".

Divisors: 1 2 19 23 38 46 73 146 437 874 1387 1679 2774 3343 3358 6686 31901 63517 63802 76889 127034 153778 244039 488078 1460891 2921782 4636741 5612897 9273482 11225794 106645043 213290086