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230161210 = 2544515171
BaseRepresentation
bin11011011011111…
…11101100111010
3121001002101211021
431231333230322
5432410124320
634501053054
75463223636
oct1555775472
9531071737
10230161210
11108a13584
12650b718a
13388b7786
14227d3dc6
1515315daa
hexdb7fb3a

230161210 has 16 divisors (see below), whose sum is σ = 414463392. Its totient is φ = 92026000.

The previous prime is 230161163. The next prime is 230161213. The reversal of 230161210 is 12161032.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (230161213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41925 + ... + 47095.

It is an arithmetic number, because the mean of its divisors is an integer number (25903962).

Almost surely, 2230161210 is an apocalyptic number.

230161210 is a deficient number, since it is larger than the sum of its proper divisors (184302182).

230161210 is a wasteful number, since it uses less digits than its factorization.

230161210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9629.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 230161210 is about 15171.0648934081. The cubic root of 230161210 is about 612.8356821618.

The spelling of 230161210 in words is "two hundred thirty million, one hundred sixty-one thousand, two hundred ten".

Divisors: 1 2 5 10 4451 5171 8902 10342 22255 25855 44510 51710 23016121 46032242 115080605 230161210