Search a number
-
+
298993968 = 243271322817
BaseRepresentation
bin10001110100100…
…100100100110000
3202211121110121200
4101310210210300
51103020301333
645400251200
710260256350
oct2164444460
9684543550
10298993968
11143857659
1284170b00
1349c37c10
142b9d0b60
151b3b0c13
hex11d24930

298993968 has 120 divisors (see below), whose sum is σ = 1029913248. Its totient is φ = 78852096.

The previous prime is 298993967. The next prime is 298993969. The reversal of 298993968 is 869399892.

It is an interprime number because it is at equal distance from previous prime (298993967) and next prime (298993969).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (298993967) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1696 + ... + 24512.

Almost surely, 2298993968 is an apocalyptic number.

298993968 is a gapful number since it is divisible by the number (28) 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 298993968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514956624).

298993968 is an abundant number, since it is smaller than the sum of its proper divisors (730919280).

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

298993968 is a wasteful number, since it uses less digits than its factorization.

298993968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22851 (or 22842 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 298993968 is about 17291.4420451274. The cubic root of 298993968 is about 668.6838109820.

The spelling of 298993968 in words is "two hundred ninety-eight million, nine hundred ninety-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1456 1638 1872 2184 3276 4368 6552 13104 22817 45634 68451 91268 136902 159719 182536 205353 273804 296621 319438 365072 410706 479157 547608 593242 638876 821412 889863 958314 1095216 1186484 1277752 1437471 1642824 1779726 1916628 2076347 2372968 2555504 2669589 2874942 3285648 3559452 3833256 4152694 4745936 5339178 5749884 6229041 7118904 7666512 8305388 10678356 11499768 12458082 14237808 16610776 18687123 21356712 22999536 24916164 33221552 37374246 42713424 49832328 74748492 99664656 149496984 298993968