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290089800 = 23325272111323
BaseRepresentation
bin10001010010100…
…110101101001000
3202012212002101200
4101102212231020
51043230333200
644441344200
710121502600
oct2122465510
9665762350
10290089800
11139825840
1281198060
134813b090
142a753c00
151a702800
hex114a6b48

290089800 has 864 divisors, whose sum is σ = 1389286080. Its totient is φ = 53222400.

The previous prime is 290089769. The next prime is 290089859. The reversal of 290089800 is 8980092.

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

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 12612589 + ... + 12612611.

It is an arithmetic number, because the mean of its divisors is an integer number (1607970).

Almost surely, 2290089800 is an apocalyptic number.

290089800 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 290089800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694643040).

290089800 is an abundant number, since it is smaller than the sum of its proper divisors (1099196280).

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

290089800 is a wasteful number, since it uses less digits than its factorization.

290089800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 290089800 is about 17032.0227806330. The cubic root of 290089800 is about 661.9789090983.

The spelling of 290089800 in words is "two hundred ninety million, eighty-nine thousand, eight hundred".