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250920432 = 243272379137
BaseRepresentation
bin11101111010010…
…11110111110000
3122111011002010100
432331023313300
51003213423212
640522032400
76134534310
oct1675136760
9574132110
10250920432
11119702264
1270048700
133cca5639
1425479440
1517066bdc
hexef4bdf0

250920432 has 240 divisors, whose sum is σ = 854231040. Its totient is φ = 67212288.

The previous prime is 250920379. The next prime is 250920487. The reversal of 250920432 is 234029052.

It is a super-2 number, since 2×2509204322 = 125922126390133248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250920396 and 250920405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1831468 + ... + 1831604.

It is an arithmetic number, because the mean of its divisors is an integer number (3559296).

Almost surely, 2250920432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250920432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427115520).

250920432 is an abundant number, since it is smaller than the sum of its proper divisors (603310608).

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

250920432 is a wasteful number, since it uses less digits than its factorization.

250920432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 250920432 is about 15840.4681748994. The cubic root of 250920432 is about 630.7326925189.

Adding to 250920432 its reverse (234029052), we get a palindrome (484949484).

The spelling of 250920432 in words is "two hundred fifty million, nine hundred twenty thousand, four hundred thirty-two".