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243102112 = 251119163223
BaseRepresentation
bin11100111110101…
…11000110100000
3121221102212101221
432133113012200
5444213231422
640042304424
76011222341
oct1637270640
9557385357
10243102112
11115252240
12694b8114
133b498b06
14244020c8
15165203c7
hexe7d71a0

243102112 has 96 divisors (see below), whose sum is σ = 555448320. Its totient is φ = 103576320.

The previous prime is 243102061. The next prime is 243102133. The reversal of 243102112 is 211201342.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090033 + ... + 1090255.

It is an arithmetic number, because the mean of its divisors is an integer number (5785920).

Almost surely, 2243102112 is an apocalyptic number.

243102112 is a gapful number since it is divisible by the number (22) 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 243102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277724160).

243102112 is an abundant number, since it is smaller than the sum of its proper divisors (312346208).

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

243102112 is a wasteful number, since it uses less digits than its factorization.

243102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 243102112 is about 15591.7321680434. The cubic root of 243102112 is about 624.1125427077.

Adding to 243102112 its reverse (211201342), we get a palindrome (454303454).

The spelling of 243102112 in words is "two hundred forty-three million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 19 22 32 38 44 76 88 152 163 176 209 223 304 326 352 418 446 608 652 836 892 1304 1672 1784 1793 2453 2608 3097 3344 3568 3586 4237 4906 5216 6194 6688 7136 7172 8474 9812 12388 14344 16948 19624 24776 28688 33896 34067 36349 39248 46607 49552 57376 67792 68134 72698 78496 93214 99104 135584 136268 145396 186428 272536 290792 372856 399839 545072 581584 690631 745712 799678 1090144 1163168 1381262 1491424 1599356 2762524 3198712 5525048 6397424 7596941 11050096 12794848 15193882 22100192 30387764 60775528 121551056 243102112