Search a number
-
+
468851320 = 235723471549
BaseRepresentation
bin11011111100100…
…001101001111000
31012200020010002201
4123330201221320
51430011220240
6114305035544
714422112320
oct3374415170
91180203081
10468851320
11220721a33
12111025bb4
137619a322
14463a8280
152b263d9a
hex1bf21a78

468851320 has 128 divisors (see below), whose sum is σ = 1285632000. Its totient is φ = 150391296.

The previous prime is 468851311. The next prime is 468851399. The reversal of 468851320 is 23158864.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 468851320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301906 + ... + 303454.

It is an arithmetic number, because the mean of its divisors is an integer number (10044000).

Almost surely, 2468851320 is an apocalyptic number.

468851320 is a gapful number since it is divisible by the number (40) 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 468851320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642816000).

468851320 is an abundant number, since it is smaller than the sum of its proper divisors (816780680).

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

468851320 is a wasteful number, since it uses less digits than its factorization.

468851320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 468851320 is about 21652.9748533544. The cubic root of 468851320 is about 776.8640913093.

It can be divided in two parts, 46885 and 1320, that added together give a triangular number (48205 = T310).

The spelling of 468851320 in words is "four hundred sixty-eight million, eight hundred fifty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 47 56 70 92 94 115 140 161 184 188 230 235 280 322 329 376 460 470 644 658 805 920 940 1081 1288 1316 1549 1610 1645 1880 2162 2632 3098 3220 3290 4324 5405 6196 6440 6580 7567 7745 8648 10810 10843 12392 13160 15134 15490 21620 21686 30268 30980 35627 37835 43240 43372 54215 60536 61960 71254 72803 75670 86744 108430 142508 145606 151340 178135 216860 249389 285016 291212 302680 356270 364015 433720 498778 509621 582424 712540 728030 997556 1019242 1246945 1425080 1456060 1674469 1995112 2038484 2493890 2548105 2912120 3348938 4076968 4987780 5096210 6697876 8372345 9975560 10192420 11721283 13395752 16744690 20384840 23442566 33489380 46885132 58606415 66978760 93770264 117212830 234425660 468851320