Search a number
-
+
25382250 = 2325329389
BaseRepresentation
bin110000011010…
…0110101101010
31202202112220100
41200310311222
522444213000
62304010230
7425513505
oct140646552
952675810
1025382250
1113367073
128600976
1353491aa
14352a13c
152365a00
hex1834d6a

25382250 has 96 divisors (see below), whose sum is σ = 71182800. Its totient is φ = 6518400.

The previous prime is 25382249. The next prime is 25382257. The reversal of 25382250 is 5228352.

It can be written as a sum of positive squares in 8 ways, for example, as 71289 + 25310961 = 267^2 + 5031^2 .

It is not an unprimeable number, because it can be changed into a prime (25382257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65056 + ... + 65444.

Almost surely, 225382250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25382250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35591400).

25382250 is an abundant number, since it is smaller than the sum of its proper divisors (45800550).

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

25382250 is a wasteful number, since it uses less digits than its factorization.

25382250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25382250 is about 5038.0799914253. The cubic root of 25382250 is about 293.8845166321.

The spelling of 25382250 in words is "twenty-five million, three hundred eighty-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 29 30 45 50 58 75 87 90 125 145 150 174 225 250 261 290 375 389 435 450 522 725 750 778 870 1125 1167 1305 1450 1945 2175 2250 2334 2610 3501 3625 3890 4350 5835 6525 7002 7250 9725 10875 11281 11670 13050 17505 19450 21750 22562 29175 32625 33843 35010 48625 56405 58350 65250 67686 87525 97250 101529 112810 145875 169215 175050 203058 282025 291750 338430 437625 507645 564050 846075 875250 1015290 1410125 1692150 2538225 2820250 4230375 5076450 8460750 12691125 25382250