Search a number
-
+
250260144 = 24343312041
BaseRepresentation
bin11101110101010…
…10101010110000
3122102220112101020
432322222222300
51003031311034
640455535440
76126114261
oct1672525260
9572815336
10250260144
111192a1172
126b98a580
133cb03c34
1425346968
1516e86249
hexeeaaab0

250260144 has 40 divisors (see below), whose sum is σ = 648052272. Its totient is φ = 83220480.

The previous prime is 250260121. The next prime is 250260149. The reversal of 250260144 is 441062052.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (250260149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14764 + ... + 26804.

Almost surely, 2250260144 is an apocalyptic number.

250260144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

250260144 is an abundant number, since it is smaller than the sum of its proper divisors (397792128).

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

250260144 is a wasteful number, since it uses less digits than its factorization.

250260144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485 (or 12479 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 250260144 is about 15819.6126374826. The cubic root of 250260144 is about 630.1789564678.

The spelling of 250260144 in words is "two hundred fifty million, two hundred sixty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 433 866 1299 1732 2598 3464 5196 6928 10392 12041 20784 24082 36123 48164 72246 96328 144492 192656 288984 577968 5213753 10427506 15641259 20855012 31282518 41710024 62565036 83420048 125130072 250260144