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3250537290 = 23457111319211
BaseRepresentation
bin1100000110111111…
…0100001101001010
322101112110101220000
43001233310031022
523124114143130
61254314143430
7143360053050
oct30157641512
98345411800
103250537290
111418930860
12768721b76
133ca584660
1422b9c21d0
15140582260
hexc1bf434a

3250537290 has 640 divisors, whose sum is σ = 12411463680. Its totient is φ = 587865600.

The previous prime is 3250537273. The next prime is 3250537373. The reversal of 3250537290 is 927350523.

3250537290 is a `hidden beast` number, since 32 + 5 + 0 + 537 + 2 + 90 = 666.

3250537290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 15405285 + ... + 15405495.

It is an arithmetic number, because the mean of its divisors is an integer number (19392912).

Almost surely, 23250537290 is an apocalyptic number.

3250537290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3250537290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6205731840).

3250537290 is an abundant number, since it is smaller than the sum of its proper divisors (9160926390).

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

3250537290 is a wasteful number, since it uses less digits than its factorization.

3250537290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 3250537290 is about 57013.4834052437. The cubic root of 3250537290 is about 1481.3296563476.

The spelling of 3250537290 in words is "three billion, two hundred fifty million, five hundred thirty-seven thousand, two hundred ninety".