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207241216 = 214713139
BaseRepresentation
bin11000101101001…
…00000000000000
3112102221221111121
430112210000000
5411023204331
632321522024
75064343540
oct1426440000
9472857447
10207241216
11a6a89436
12594a3314
1333c21250
141d749320
15132d9c11
hexc5a4000

207241216 has 120 divisors (see below), whose sum is σ = 513786560. Its totient is φ = 81395712.

The previous prime is 207241207. The next prime is 207241241. The reversal of 207241216 is 612142702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490875 + ... + 1491013.

Almost surely, 2207241216 is an apocalyptic number.

207241216 is a gapful number since it is divisible by the number (26) 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 207241216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256893280).

207241216 is an abundant number, since it is smaller than the sum of its proper divisors (306545344).

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

207241216 is an equidigital number, since it uses as much as digits as its factorization.

207241216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 207241216 is about 14395.8749647251. The cubic root of 207241216 is about 591.7778567552. Note that the first 3 decimals are identical.

Adding to 207241216 its reverse (612142702), we get a palindrome (819383918).

The spelling of 207241216 in words is "two hundred seven million, two hundred forty-one thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 139 182 208 224 256 278 364 416 448 512 556 728 832 896 973 1024 1112 1456 1664 1792 1807 1946 2048 2224 2912 3328 3584 3614 3892 4096 4448 5824 6656 7168 7228 7784 8192 8896 11648 12649 13312 14336 14456 15568 16384 17792 23296 25298 26624 28672 28912 31136 35584 46592 50596 53248 57344 57824 62272 71168 93184 101192 106496 114688 115648 124544 142336 186368 202384 212992 231296 249088 284672 372736 404768 462592 498176 569344 745472 809536 925184 996352 1138688 1490944 1619072 1850368 1992704 2277376 3238144 3700736 3985408 6476288 7401472 7970816 12952576 14802944 15941632 25905152 29605888 51810304 103620608 207241216