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290299100 = 2252713192373
BaseRepresentation
bin10001010011011…
…001110011011100
3202020020201111112
4101103121303130
51043304032400
644450041152
710123334030
oct2123316334
9666221445
10290299100
11139959013
12812791b8
13481b2420
142a7aa1c0
151a744835
hex114d9cdc

290299100 has 288 divisors, whose sum is σ = 863278080. Its totient is φ = 82114560.

The previous prime is 290299099. The next prime is 290299103. The reversal of 290299100 is 1992092.

290299100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290299103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3976664 + ... + 3976736.

Almost surely, 2290299100 is an apocalyptic number.

290299100 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 290299100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431639040).

290299100 is an abundant number, since it is smaller than the sum of its proper divisors (572978980).

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

290299100 is a wasteful number, since it uses less digits than its factorization.

290299100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 290299100 is about 17038.1659811143. The cubic root of 290299100 is about 662.1380769114.

The spelling of 290299100 in words is "two hundred ninety million, two hundred ninety-nine thousand, one hundred".