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2023390530 = 2375713217
BaseRepresentation
bin111100010011010…
…0111110101000010
312020000100220000000
41320212213311002
513120441444110
6532440140430
7101066351520
oct17046476502
95200326000
102023390530
11949173287
12485767716
13263276b05
14152a27310
15bc9831c0
hex789a7d42

2023390530 has 128 divisors (see below), whose sum is σ = 6243125760. Its totient is φ = 462454272.

The previous prime is 2023390529. The next prime is 2023390573. The reversal of 2023390530 is 350933202.

2023390530 is a `hidden beast` number, since 20 + 23 + 3 + 90 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2023390494 and 2023390503.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146482 + ... + 159698.

It is an arithmetic number, because the mean of its divisors is an integer number (48774420).

Almost surely, 22023390530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023390530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121562880).

2023390530 is an abundant number, since it is smaller than the sum of its proper divisors (4219735230).

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

2023390530 is an equidigital number, since it uses as much as digits as its factorization.

2023390530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13252 (or 13234 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 2023390530 is about 44982.1134452351. The cubic root of 2023390530 is about 1264.8137289718.

The spelling of 2023390530 in words is "two billion, twenty-three million, three hundred ninety thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 243 270 315 378 405 486 567 630 729 810 945 1134 1215 1458 1701 1890 2187 2430 2835 3402 3645 4374 5103 5670 7290 8505 10206 10935 13217 15309 17010 21870 25515 26434 30618 39651 51030 66085 76545 79302 92519 118953 132170 153090 185038 198255 237906 277557 356859 396510 462595 555114 594765 713718 832671 925190 1070577 1189530 1387785 1665342 1784295 2141154 2498013 2775570 3211731 3568590 4163355 4996026 5352885 6423462 7494039 8326710 9635193 10705770 12490065 14988078 16058655 19270386 22482117 24980130 28905579 32117310 37470195 44964234 48175965 57811158 67446351 74940390 96351930 112410585 134892702 144527895 202339053 224821170 289055790 337231755 404678106 674463510 1011695265 2023390530