Search a number
-
+
630165500 = 225323371481
BaseRepresentation
bin100101100011111…
…000111111111100
31121220202201112222
4211203320333330
52242310244000
6142310344512
721421214126
oct4543707774
91556681488
10630165500
112a3791738
1215705b138
13a072acc3
145d99a216
153a4caa85
hex258f8ffc

630165500 has 96 divisors (see below), whose sum is σ = 1475929728. Its totient is φ = 234432000.

The previous prime is 630165499. The next prime is 630165517. The reversal of 630165500 is 5561036.

It is a self number, because there is not a number n which added to its sum of digits gives 630165500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424760 + ... + 426240.

It is an arithmetic number, because the mean of its divisors is an integer number (15374268).

Almost surely, 2630165500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630165500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737964864).

630165500 is an abundant number, since it is smaller than the sum of its proper divisors (845764228).

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

630165500 is a wasteful number, since it uses less digits than its factorization.

630165500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 630165500 is about 25103.0974184462. The cubic root of 630165500 is about 857.3369487714.

The spelling of 630165500 in words is "six hundred thirty million, one hundred sixty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 23 25 37 46 50 74 92 100 115 125 148 185 230 250 370 460 500 575 740 851 925 1150 1481 1702 1850 2300 2875 2962 3404 3700 4255 4625 5750 5924 7405 8510 9250 11500 14810 17020 18500 21275 29620 34063 37025 42550 54797 68126 74050 85100 106375 109594 136252 148100 170315 185125 212750 219188 273985 340630 370250 425500 547970 681260 740500 851575 1095940 1260331 1369925 1703150 2520662 2739850 3406300 4257875 5041324 5479700 6301655 6849625 8515750 12603310 13699250 17031500 25206620 27398500 31508275 63016550 126033100 157541375 315082750 630165500