Search a number
-
+
68942250 = 23253132357
BaseRepresentation
bin1000001101111…
…11100110101010
311210201121222200
410012333212222
5120122123000
610501401030
71464666546
oct406774652
9153647880
1068942250
1135a09373
121b109176
131138b240
149228a26
1560bc500
hex41bf9aa

68942250 has 96 divisors (see below), whose sum is σ = 200845008. Its totient is φ = 16963200.

The previous prime is 68942243. The next prime is 68942353. The reversal of 68942250 is 5224986.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2405601 + 66536649 = 1551^2 + 8157^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28072 + ... + 30428.

Almost surely, 268942250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68942250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100422504).

68942250 is an abundant number, since it is smaller than the sum of its proper divisors (131902758).

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

68942250 is a wasteful number, since it uses less digits than its factorization.

68942250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68942250 is about 8303.1469937609. The cubic root of 68942250 is about 410.0421332866.

The spelling of 68942250 in words is "sixty-eight million, nine hundred forty-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 125 130 150 195 225 234 250 325 375 390 450 585 650 750 975 1125 1170 1625 1950 2250 2357 2925 3250 4714 4875 5850 7071 9750 11785 14142 14625 21213 23570 29250 30641 35355 42426 58925 61282 70710 91923 106065 117850 153205 176775 183846 212130 275769 294625 306410 353550 459615 530325 551538 589250 766025 883875 919230 1060650 1378845 1532050 1767750 2298075 2651625 2757690 3830125 4596150 5303250 6894225 7660250 11490375 13788450 22980750 34471125 68942250