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612234920 = 235119711433
BaseRepresentation
bin100100011111011…
…111011010101000
31120200000202102102
4210133133122220
52223213004140
6140430152532
721112624313
oct4437373250
91520022372
10612234920
11294655180
12151052748
1399ac07ab
145b44d97a
1538b37e15
hex247df6a8

612234920 has 64 divisors (see below), whose sum is σ = 1505355840. Its totient is φ = 222246400.

The previous prime is 612234901. The next prime is 612234937. The reversal of 612234920 is 29432216.

612234920 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426524 + ... + 427956.

It is an arithmetic number, because the mean of its divisors is an integer number (23521185).

Almost surely, 2612234920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612234920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752677920).

612234920 is an abundant number, since it is smaller than the sum of its proper divisors (893120920).

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

612234920 is a wasteful number, since it uses less digits than its factorization.

612234920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 612234920 is about 24743.3813372384. The cubic root of 612234920 is about 849.1270946517.

It can be divided in two parts, 612 and 234920, that added together give a palindrome (235532).

The spelling of 612234920 in words is "six hundred twelve million, two hundred thirty-four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 971 1433 1942 2866 3884 4855 5732 7165 7768 9710 10681 11464 14330 15763 19420 21362 28660 31526 38840 42724 53405 57320 63052 78815 85448 106810 126104 157630 213620 315260 427240 630520 1391443 2782886 5565772 6957215 11131544 13914430 15305873 27828860 30611746 55657720 61223492 76529365 122446984 153058730 306117460 612234920