Search a number
-
+
12725250 = 235319247
BaseRepresentation
bin110000100010…
…110000000010
3212221111202120
4300202300002
511224202000
61132425110
7213106566
oct60426002
925844676
1012725250
11720173a
124318196
132837145
1419936a6
1511b56a0
hexc22c02

12725250 has 96 divisors (see below), whose sum is σ = 34235136. Its totient is φ = 3146400.

The previous prime is 12725249. The next prime is 12725261. The reversal of 12725250 is 5252721.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12725250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270727 + ... + 270773.

It is an arithmetic number, because the mean of its divisors is an integer number (356616).

Almost surely, 212725250 is an apocalyptic number.

12725250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12725250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17117568).

12725250 is an abundant number, since it is smaller than the sum of its proper divisors (21509886).

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

12725250 is a wasteful number, since it uses less digits than its factorization.

12725250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 12725250 is about 3567.2468375485. The cubic root of 12725250 is about 233.4651749239.

Adding to 12725250 its reverse (5252721), we get a palindrome (17977971).

The spelling of 12725250 in words is "twelve million, seven hundred twenty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 47 50 57 75 94 95 114 125 141 150 190 235 250 282 285 361 375 470 475 570 705 722 750 893 950 1083 1175 1410 1425 1786 1805 2166 2350 2375 2679 2850 3525 3610 4465 4750 5358 5415 5875 7050 7125 8930 9025 10830 11750 13395 14250 16967 17625 18050 22325 26790 27075 33934 35250 44650 45125 50901 54150 66975 84835 90250 101802 111625 133950 135375 169670 223250 254505 270750 334875 424175 509010 669750 848350 1272525 2120875 2545050 4241750 6362625 12725250