Search a number
-
+
250500540 = 223517324133
BaseRepresentation
bin11101110111001…
…01010110111100
3122110100202010210
432323211112330
51003112004130
640505032420
76131135163
oct1673452674
9573322123
10250500540
11119445844
126ba85710
133cb89494
14253aa3da
1516ed25b0
hexeee55bc

250500540 has 48 divisors (see below), whose sum is σ = 705485088. Its totient is φ = 66411264.

The previous prime is 250500533. The next prime is 250500571. The reversal of 250500540 is 45005052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 22446.

It is an arithmetic number, because the mean of its divisors is an integer number (14697606).

Almost surely, 2250500540 is an apocalyptic number.

250500540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250500540 is an abundant number, since it is smaller than the sum of its proper divisors (454984548).

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

250500540 is a wasteful number, since it uses less digits than its factorization.

250500540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24318 (or 24316 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 250500540 is about 15827.2088505839. The cubic root of 250500540 is about 630.3806719265.

Adding to 250500540 its reverse (45005052), we get a palindrome (295505592).

The spelling of 250500540 in words is "two hundred fifty million, five hundred thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 173 346 519 692 865 1038 1730 2076 2595 3460 5190 10380 24133 48266 72399 96532 120665 144798 241330 289596 361995 482660 723990 1447980 4175009 8350018 12525027 16700036 20875045 25050054 41750090 50100108 62625135 83500180 125250270 250500540