Search a number
-
+
250055250 = 2353379011
BaseRepresentation
bin11101110011110…
…00101001010010
3122102112010022120
432321320221102
51003003232000
640451315110
76124302024
oct1671705122
9572463276
10250055250
11119171235
126b8aba96
133ca618b3
14252d2014
1516e456a0
hexee78a52

250055250 has 64 divisors (see below), whose sum is σ = 641077632. Its totient is φ = 64872000.

The previous prime is 250055243. The next prime is 250055251. The reversal of 250055250 is 52550052.

It is a self number, because there is not a number n which added to its sum of digits gives 250055250.

It is not an unprimeable number, because it can be changed into a prime (250055251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23245 + ... + 32255.

It is an arithmetic number, because the mean of its divisors is an integer number (10016838).

Almost surely, 2250055250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250055250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320538816).

250055250 is an abundant number, since it is smaller than the sum of its proper divisors (391022382).

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

250055250 is a wasteful number, since it uses less digits than its factorization.

250055250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068 (or 9058 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 250055250 is about 15813.1353627293. The cubic root of 250055250 is about 630.0069286212.

The spelling of 250055250 in words is "two hundred fifty million, fifty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 37 50 74 75 111 125 150 185 222 250 370 375 555 750 925 1110 1850 2775 4625 5550 9011 9250 13875 18022 27033 27750 45055 54066 90110 135165 225275 270330 333407 450550 666814 675825 1000221 1126375 1351650 1667035 2000442 2252750 3334070 3379125 5001105 6758250 8335175 10002210 16670350 25005525 41675875 50011050 83351750 125027625 250055250