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250970940 = 2233511223167
BaseRepresentation
bin11101111010110…
…00001100111100
3122111020122102000
432331120030330
51003222032230
640523102300
76135134463
oct1675301474
9574218360
10250970940
11119737200
1270071990
133ccc261c
142548d9da
1517076b60
hexef5833c

250970940 has 288 divisors, whose sum is σ = 900910080. Its totient is φ = 57847680.

The previous prime is 250970921. The next prime is 250970969. The reversal of 250970940 is 49079052.

250970940 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

250970940 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 250970895 and 250970904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1502737 + ... + 1502903.

It is an arithmetic number, because the mean of its divisors is an integer number (3128160).

Almost surely, 2250970940 is an apocalyptic number.

250970940 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 250970940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450455040).

250970940 is an abundant number, since it is smaller than the sum of its proper divisors (649939140).

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

250970940 is a wasteful number, since it uses less digits than its factorization.

250970940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 250970940 is about 15842.0623657401. The cubic root of 250970940 is about 630.7750099304.

The spelling of 250970940 in words is "two hundred fifty million, nine hundred seventy thousand, nine hundred forty".