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234413220 = 223573109491
BaseRepresentation
bin11011111100011…
…01110010100100
3121100002102111010
431332031302210
5440002210340
635132142220
75544323316
oct1576156244
9540072433
10234413220
11110358138
1266607970
1339745c62
14231bd7b6
15158a5b80
hexdf8dca4

234413220 has 96 divisors (see below), whose sum is σ = 672819840. Its totient is φ = 60963840.

The previous prime is 234413219. The next prime is 234413237. The reversal of 234413220 is 22314432.

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, 477175 + ... + 477665.

It is an arithmetic number, because the mean of its divisors is an integer number (7008540).

Almost surely, 2234413220 is an apocalyptic number.

234413220 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 234413220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336409920).

234413220 is an abundant number, since it is smaller than the sum of its proper divisors (438406620).

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

234413220 is a wasteful number, since it uses less digits than its factorization.

234413220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

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

The square root of 234413220 is about 15310.5591014829. The cubic root of 234413220 is about 616.5865309390.

Adding to 234413220 its reverse (22314432), we get a palindrome (256727652).

The spelling of 234413220 in words is "two hundred thirty-four million, four hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 109 146 218 219 292 327 365 436 438 491 545 654 730 876 982 1090 1095 1308 1460 1473 1635 1964 2180 2190 2455 2946 3270 4380 4910 5892 6540 7365 7957 9820 14730 15914 23871 29460 31828 35843 39785 47742 53519 71686 79570 95484 107038 107529 119355 143372 159140 160557 179215 214076 215058 238710 267595 321114 358430 430116 477420 535190 537645 642228 716860 802785 1070380 1075290 1605570 2150580 3211140 3906887 7813774 11720661 15627548 19534435 23441322 39068870 46882644 58603305 78137740 117206610 234413220