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250228400 = 2452837537
BaseRepresentation
bin11101110101000…
…10111010110000
3122102211220211112
432322202322300
51003024302100
640455132452
76125622602
oct1672427260
9572756745
10250228400
1111927a334
126b974128
133cac2656
1425339172
1516e7bb35
hexeea2eb0

250228400 has 60 divisors (see below), whose sum is σ = 608497512. Its totient is φ = 98872320.

The previous prime is 250228397. The next prime is 250228417. The reversal of 250228400 is 4822052.

It is a super-2 number, since 2×2502284002 = 125228504333120000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29432 + ... + 36968.

Almost surely, 2250228400 is an apocalyptic number.

250228400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250228400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304248756).

250228400 is an abundant number, since it is smaller than the sum of its proper divisors (358269112).

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

250228400 is a wasteful number, since it uses less digits than its factorization.

250228400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638 (or 7627 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 250228400 is about 15818.6092941194. The cubic root of 250228400 is about 630.1523105327.

The spelling of 250228400 in words is "two hundred fifty million, two hundred twenty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 83 100 166 200 332 400 415 664 830 1328 1660 2075 3320 4150 6640 7537 8300 15074 16600 30148 33200 37685 60296 75370 120592 150740 188425 301480 376850 602960 625571 753700 1251142 1507400 2502284 3014800 3127855 5004568 6255710 10009136 12511420 15639275 25022840 31278550 50045680 62557100 125114200 250228400