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234043140 = 223519239859
BaseRepresentation
bin11011111001100…
…11011100000100
3121022101121211110
431330303130010
5434403340030
635120205020
75541222342
oct1574633404
9538347743
10234043140
11110125091
1266469770
1339646686
1423124992
15158311b0
hexdf33704

234043140 has 96 divisors (see below), whose sum is σ = 693504000. Its totient is φ = 58810752.

The previous prime is 234043111. The next prime is 234043171. The reversal of 234043140 is 41340432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272031 + ... + 272889.

It is an arithmetic number, because the mean of its divisors is an integer number (7224000).

Almost surely, 2234043140 is an apocalyptic number.

234043140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234043140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346752000).

234043140 is an abundant number, since it is smaller than the sum of its proper divisors (459460860).

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

234043140 is a wasteful number, since it uses less digits than its factorization.

234043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 234043140 is about 15298.4685508060. The cubic root of 234043140 is about 616.2618812571.

Adding to 234043140 its reverse (41340432), we get a palindrome (275383572).

The spelling of 234043140 in words is "two hundred thirty-four million, forty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 239 285 380 478 570 717 859 956 1140 1195 1434 1718 2390 2577 2868 3436 3585 4295 4541 4780 5154 7170 8590 9082 10308 12885 13623 14340 16321 17180 18164 22705 25770 27246 32642 45410 48963 51540 54492 65284 68115 81605 90820 97926 136230 163210 195852 205301 244815 272460 326420 410602 489630 615903 821204 979260 1026505 1231806 2053010 2463612 3079515 3900719 4106020 6159030 7801438 11702157 12318060 15602876 19503595 23404314 39007190 46808628 58510785 78014380 117021570 234043140