Search a number
-
+
330028860 = 223571941357
BaseRepresentation
bin10011101010111…
…101011100111100
3212000000012111010
4103222331130330
51133441410420
652425355220
711115125160
oct2352753474
9760005433
10330028860
1115a324627
1292638b10
13534b2c65
1431b8cca0
151de914e0
hex13abd73c

330028860 has 96 divisors (see below), whose sum is σ = 1111703040. Its totient is φ = 71463168.

The previous prime is 330028843. The next prime is 330028861. The reversal of 330028860 is 68820033.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330028861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12699 + ... + 28658.

It is an arithmetic number, because the mean of its divisors is an integer number (11580240).

Almost surely, 2330028860 is an apocalyptic number.

330028860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

330028860 is an abundant number, since it is smaller than the sum of its proper divisors (781674180).

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

330028860 is a wasteful number, since it uses less digits than its factorization.

330028860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41395 (or 41393 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 330028860 is about 18166.6964525750. The cubic root of 330028860 is about 691.0624673446.

Adding to 330028860 its reverse (68820033), we get a palindrome (398848893).

The spelling of 330028860 in words is "three hundred thirty million, twenty-eight thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 70 76 84 95 105 114 133 140 190 210 228 266 285 380 399 420 532 570 665 798 1140 1330 1596 1995 2660 3990 7980 41357 82714 124071 165428 206785 248142 289499 413570 496284 578998 620355 785783 827140 868497 1157996 1240710 1447495 1571566 1736994 2357349 2481420 2894990 3143132 3473988 3928915 4342485 4714698 5500481 5789980 7857830 8684970 9429396 11000962 11786745 15715660 16501443 17369940 22001924 23573490 27502405 33002886 47146980 55004810 66005772 82507215 110009620 165014430 330028860