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268075392 = 2731383647
BaseRepresentation
bin11111111101010…
…00000110000000
3200200102122022020
433332220012000
51022111403032
642333441440
76433413624
oct1776500600
9620378266
10268075392
1112835a012
1275940280
1343700ac0
1427863184
1518804b2c
hexffa8180

268075392 has 128 divisors (see below), whose sum is σ = 777288960. Its totient is φ = 81364992.

The previous prime is 268075331. The next prime is 268075399. The reversal of 268075392 is 293570862.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268075399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414013 + ... + 414659.

It is an arithmetic number, because the mean of its divisors is an integer number (6072570).

Almost surely, 2268075392 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 268075392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388644480).

268075392 is an abundant number, since it is smaller than the sum of its proper divisors (509213568).

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

268075392 is a wasteful number, since it uses less digits than its factorization.

268075392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 268075392 is about 16373.0080315133. The cubic root of 268075392 is about 644.7910241820.

The spelling of 268075392 in words is "two hundred sixty-eight million, seventy-five thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 83 96 104 128 156 166 192 208 249 312 332 384 416 498 624 647 664 832 996 1079 1248 1294 1328 1664 1941 1992 2158 2496 2588 2656 3237 3882 3984 4316 4992 5176 5312 6474 7764 7968 8411 8632 10352 10624 12948 15528 15936 16822 17264 20704 25233 25896 31056 31872 33644 34528 41408 50466 51792 53701 62112 67288 69056 82816 100932 103584 107402 124224 134576 138112 161103 201864 207168 214804 248448 269152 322206 403728 414336 429608 538304 644412 698113 807456 859216 1076608 1288824 1396226 1614912 1718432 2094339 2577648 2792452 3229824 3436864 4188678 5155296 5584904 6873728 8377356 10310592 11169808 16754712 20621184 22339616 33509424 44679232 67018848 89358464 134037696 268075392