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234723830 = 2511592613
BaseRepresentation
bin11011111110110…
…01100111110110
3121100200012120012
431333121213312
5440042130310
635142540222
75550056015
oct1577314766
9540605505
10234723830
1111054a540
1266737672
1339824453
1423260a7c
1515917c05
hexdfd99f6

234723830 has 48 divisors (see below), whose sum is σ = 469621584. Its totient is φ = 83770560.

The previous prime is 234723821. The next prime is 234723833. The reversal of 234723830 is 38327432.

It is a super-3 number, since 3×2347238303 (a number of 26 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234723833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382604 + ... + 383216.

It is an arithmetic number, because the mean of its divisors is an integer number (9783783).

Almost surely, 2234723830 is an apocalyptic number.

234723830 is an abundant number, since it is smaller than the sum of its proper divisors (234897754).

234723830 is a wasteful number, since it uses less digits than its factorization.

234723830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 234723830 is about 15320.6993965680. The cubic root of 234723830 is about 616.8587474037.

The spelling of 234723830 in words is "two hundred thirty-four million, seven hundred twenty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 11 22 55 59 110 118 295 590 613 649 1226 1298 3065 3245 3481 6130 6490 6743 6962 13486 17405 33715 34810 36167 38291 67430 72334 76582 180835 191455 361670 382910 397837 795674 1989185 2133853 3978370 4267706 10669265 21338530 23472383 46944766 117361915 234723830