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213460930 = 25232413851
BaseRepresentation
bin11001011100100…
…10011111000010
3112212122221100101
430232102133002
5414121222210
633103113014
75201250034
oct1456223702
9485587311
10213460930
11aa5473a1
125b5a276a
13352bb257
14204c7c54
1513b17a3a
hexcb927c2

213460930 has 32 divisors (see below), whose sum is σ = 402703488. Its totient is φ = 81312000.

The previous prime is 213460921. The next prime is 213460931. The reversal of 213460930 is 39064312.

213460930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213460931) 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, 53505 + ... + 57355.

It is an arithmetic number, because the mean of its divisors is an integer number (12584484).

Almost surely, 2213460930 is an apocalyptic number.

213460930 is a deficient number, since it is larger than the sum of its proper divisors (189242558).

213460930 is a wasteful number, since it uses less digits than its factorization.

213460930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 213460930 is about 14610.3021871555. The cubic root of 213460930 is about 597.6397366958.

The spelling of 213460930 in words is "two hundred thirteen million, four hundred sixty thousand, nine hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 241 482 1205 2410 3851 5543 7702 11086 19255 27715 38510 55430 88573 177146 442865 885730 928091 1856182 4640455 9280910 21346093 42692186 106730465 213460930