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250101040 = 2457446609
BaseRepresentation
bin11101110100000…
…11110100110000
3122102121110010111
432322003310300
51003011213130
640452311104
76124552360
oct1672036460
9572543114
10250101040
111191a2682
126b912494
133ca796a7
14253049a0
1516e5402a
hexee83d30

250101040 has 40 divisors (see below), whose sum is σ = 664555680. Its totient is φ = 85748736.

The previous prime is 250101023. The next prime is 250101077. The reversal of 250101040 is 40101052.

250101040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 250101040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222745 + ... + 223864.

It is an arithmetic number, because the mean of its divisors is an integer number (16613892).

Almost surely, 2250101040 is an apocalyptic number.

250101040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250101040 is an abundant number, since it is smaller than the sum of its proper divisors (414454640).

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

250101040 is a wasteful number, since it uses less digits than its factorization.

250101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446629 (or 446623 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 250101040 is about 15814.5831434154. The cubic root of 250101040 is about 630.0453817985.

250101040 divided by its product of nonzero digits (40) gives a palindrome (6252526).

Adding to 250101040 its reverse (40101052), we get a palindrome (290202092).

The spelling of 250101040 in words is "two hundred fifty million, one hundred one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 446609 893218 1786436 2233045 3126263 3572872 4466090 6252526 7145744 8932180 12505052 15631315 17864360 25010104 31262630 35728720 50020208 62525260 125050520 250101040