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268436970 = 233517233251
BaseRepresentation
bin10000000000000…
…000010111101010
3200201010000022000
4100000000113222
51022204440340
642345311430
76436451034
oct2000002752
9621100260
10268436970
1112858673a
1275a95576
13437c9559
1427918c54
1518876d30
hex100005ea

268436970 has 128 divisors (see below), whose sum is σ = 764225280. Its totient is φ = 66816000.

The previous prime is 268436957. The next prime is 268436981. The reversal of 268436970 is 79634862.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1069345 + ... + 1069595.

It is an arithmetic number, because the mean of its divisors is an integer number (5970510).

Almost surely, 2268436970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268436970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382112640).

268436970 is an abundant number, since it is smaller than the sum of its proper divisors (495788310).

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

268436970 is a wasteful number, since it uses less digits than its factorization.

268436970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 268436970 is about 16384.0462035481. The cubic root of 268436970 is about 645.0807903127.

The spelling of 268436970 in words is "two hundred sixty-eight million, four hundred thirty-six thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 233 251 255 270 306 459 466 502 510 699 753 765 918 1165 1255 1398 1506 1530 2097 2259 2295 2330 2510 3495 3765 3961 4194 4267 4518 4590 6291 6777 6990 7530 7922 8534 10485 11295 11883 12582 12801 13554 19805 20970 21335 22590 23766 25602 31455 33885 35649 38403 39610 42670 58483 59415 62910 64005 67770 71298 76806 106947 115209 116966 118830 128010 175449 178245 192015 213894 230418 292415 350898 356490 384030 526347 534735 576045 584830 877245 994211 1052694 1069470 1152090 1579041 1754490 1988422 2631735 2982633 3158082 4971055 5263470 5965266 7895205 8947899 9942110 14913165 15790410 17895798 26843697 29826330 44739495 53687394 89478990 134218485 268436970