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230200292 = 2278221439
BaseRepresentation
bin11011011100010…
…01001111100100
3121001011101102202
431232021033210
5432412402132
634501554032
75463445610
oct1556111744
9531141382
10230200292
11108a3a983
1265115918
13388cc4ba
1422804340
1515322762
hexdb893e4

230200292 has 12 divisors (see below), whose sum is σ = 460400640. Its totient is φ = 98657256.

The previous prime is 230200291. The next prime is 230200331. The reversal of 230200292 is 292002032.

230200292 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (230200291) 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, 4110692 + ... + 4110747.

It is an arithmetic number, because the mean of its divisors is an integer number (38366720).

Almost surely, 2230200292 is an apocalyptic number.

It is an amenable number.

230200292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

230200292 is a wasteful number, since it uses less digits than its factorization.

230200292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221450 (or 8221448 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 230200292 is about 15172.3528827931. The cubic root of 230200292 is about 612.8703672544.

The spelling of 230200292 in words is "two hundred thirty million, two hundred thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 8221439 16442878 32885756 57550073 115100146 230200292