Search a number
-
+
630133680 = 243511376451
BaseRepresentation
bin100101100011110…
…001001110110000
31121220201002220110
4211203301032300
52242303234210
6142305541320
721421022301
oct4543611660
91556632813
10630133680
112a376a840
12157044840
13a0719687
145d98c7a8
153a4c1420
hex258f13b0

630133680 has 160 divisors (see below), whose sum is σ = 2188931328. Its totient is φ = 148608000.

The previous prime is 630133661. The next prime is 630133697. The reversal of 630133680 is 86331036.

630133680 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

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, 94455 + ... + 100905.

Almost surely, 2630133680 is an apocalyptic number.

630133680 is a gapful number since it is divisible by the number (60) 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 630133680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094465664).

630133680 is an abundant number, since it is smaller than the sum of its proper divisors (1558797648).

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

630133680 is a wasteful number, since it uses less digits than its factorization.

630133680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515 (or 6509 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 630133680 is about 25102.4636241147. The cubic root of 630133680 is about 857.3225182126.

The spelling of 630133680 in words is "six hundred thirty million, one hundred thirty-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 37 40 44 48 55 60 66 74 80 88 110 111 120 132 148 165 176 185 220 222 240 264 296 330 370 407 440 444 528 555 592 660 740 814 880 888 1110 1221 1320 1480 1628 1776 2035 2220 2442 2640 2960 3256 4070 4440 4884 6105 6451 6512 8140 8880 9768 12210 12902 16280 19353 19536 24420 25804 32255 32560 38706 48840 51608 64510 70961 77412 96765 97680 103216 129020 141922 154824 193530 212883 238687 258040 283844 309648 354805 387060 425766 477374 516080 567688 709610 716061 774120 851532 954748 1064415 1135376 1193435 1419220 1432122 1548240 1703064 1909496 2128830 2386870 2625557 2838440 2864244 3406128 3580305 3818992 4257660 4773740 5251114 5676880 5728488 7160610 7876671 8515320 9547480 10502228 11456976 13127785 14321220 15753342 17030640 19094960 21004456 26255570 28642440 31506684 39383355 42008912 52511140 57284880 63013368 78766710 105022280 126026736 157533420 210044560 315066840 630133680