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250873920 = 26325117919
BaseRepresentation
bin11101111010000…
…00100001000000
3122111001201022200
432331000201000
51003210431140
640521033200
76134251563
oct1675004100
9574051280
10250873920
11119680320
1270025800
133cc8a40b
14254664da
1517058030
hexef40840

250873920 has 168 divisors, whose sum is σ = 941466240. Its totient is φ = 60810240.

The previous prime is 250873871. The next prime is 250873933. The reversal of 250873920 is 29378052.

It is a happy number.

250873920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 158392-1.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27721 + ... + 35639.

Almost surely, 2250873920 is an apocalyptic number.

250873920 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 250873920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470733120).

250873920 is an abundant number, since it is smaller than the sum of its proper divisors (690592320).

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

250873920 is a wasteful number, since it uses less digits than its factorization.

250873920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953 (or 7940 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 250873920 is about 15838.9999684324. Note that the first 4 decimals coincide. The cubic root of 250873920 is about 630.6937180764.

The spelling of 250873920 in words is "two hundred fifty million, eight hundred seventy-three thousand, nine hundred twenty".