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230023244 = 221129712539
BaseRepresentation
bin11011011010111…
…10000001001100
3121000211101120102
431231132001030
5432341220434
634454110232
75462110463
oct1555360114
9530741512
10230023244
11108929960
126504b378
1338869a39
14227999da
15152da07e
hexdb5e04c

230023244 has 48 divisors (see below), whose sum is σ = 460857600. Its totient is φ = 99489600.

The previous prime is 230023237. The next prime is 230023267. The reversal of 230023244 is 442320032.

230023244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89327 + ... + 91865.

It is an arithmetic number, because the mean of its divisors is an integer number (9601200).

Almost surely, 2230023244 is an apocalyptic number.

It is an amenable number.

230023244 is an abundant number, since it is smaller than the sum of its proper divisors (230834356).

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

230023244 is a wasteful number, since it uses less digits than its factorization.

230023244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 230023244 is about 15166.5172007287. The cubic root of 230023244 is about 612.7132065755.

Adding to 230023244 its reverse (442320032), we get a palindrome (672343276).

The spelling of 230023244 in words is "two hundred thirty million, twenty-three thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 29 44 58 71 116 142 284 319 638 781 1276 1562 2059 2539 3124 4118 5078 8236 10156 22649 27929 45298 55858 73631 90596 111716 147262 180269 294524 360538 721076 809941 1619882 1982959 3239764 3965918 5227801 7931836 10455602 20911204 57505811 115011622 230023244