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268745386 = 2713192331109
BaseRepresentation
bin10000000001001…
…011101010101010
3200201200200100211
4100001023222222
51022244323021
642400051334
76442204150
oct2001135252
9621620324
10268745386
11128777428
1276003b4a
13438a6a50
14279993d0
15188d83e1
hex1004baaa

268745386 has 128 divisors (see below), whose sum is σ = 567705600. Its totient is φ = 92378880.

The previous prime is 268745371. The next prime is 268745419. The reversal of 268745386 is 683547862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2465500 + ... + 2465608.

It is an arithmetic number, because the mean of its divisors is an integer number (4435200).

Almost surely, 2268745386 is an apocalyptic number.

268745386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

268745386 is an abundant number, since it is smaller than the sum of its proper divisors (298960214).

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

268745386 is a wasteful number, since it uses less digits than its factorization.

268745386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its digits is 1935360, while the sum is 49.

The square root of 268745386 is about 16393.4555844703. The cubic root of 268745386 is about 645.3277472191.

The spelling of 268745386 in words is "two hundred sixty-eight million, seven hundred forty-five thousand, three hundred eighty-six".

Divisors: 1 2 7 13 14 19 23 26 31 38 46 62 91 109 133 161 182 217 218 247 266 299 322 403 434 437 494 589 598 713 763 806 874 1178 1417 1426 1526 1729 2071 2093 2507 2821 2834 3059 3379 3458 4123 4142 4186 4991 5014 5642 5681 6118 6758 7657 8246 9269 9919 9982 11362 13547 14497 15314 17549 18538 19838 23653 26923 27094 28994 32591 35098 39767 43927 47306 47633 53599 53846 64201 64883 65182 77717 79534 87854 94829 95266 107198 128402 129766 155434 176111 188461 189658 228137 307489 333431 352222 376922 449407 456274 544019 614978 619229 666862 834613 898814 1010321 1088038 1232777 1238458 1476623 1669226 2020642 2465554 2953246 4334603 5842291 7072247 8669206 10336361 11684582 14144494 19196099 20672722 38392198 134372693 268745386