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230213030 = 2529378571
BaseRepresentation
bin11011011100011…
…00010110100110
3121001012000220112
431232030112212
5432413304110
634502133022
75463531005
oct1556142646
9531160815
10230213030
11108a49503
1265121172
1338905238
1422808c3c
1515326405
hexdb8c5a6

230213030 has 16 divisors (see below), whose sum is σ = 415803024. Its totient is φ = 91769760.

The previous prime is 230213023. The next prime is 230213041. The reversal of 230213030 is 30312032.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230212996 and 230213014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36356 + ... + 42215.

It is an arithmetic number, because the mean of its divisors is an integer number (25987689).

Almost surely, 2230213030 is an apocalyptic number.

230213030 is a deficient number, since it is larger than the sum of its proper divisors (185589994).

230213030 is a wasteful number, since it uses less digits than its factorization.

230213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78871.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 230213030 is about 15172.7726536714. The cubic root of 230213030 is about 612.8816713216.

Adding to 230213030 its reverse (30312032), we get a palindrome (260525062).

The spelling of 230213030 in words is "two hundred thirty million, two hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 293 586 1465 2930 78571 157142 392855 785710 23021303 46042606 115106515 230213030