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290352384 = 2833717353
BaseRepresentation
bin10001010011100…
…110110100000000
3202020100102121000
4101103212310000
51043312234014
644451132000
710123645260
oct2123466400
9666312530
10290352384
11139995053
12812a4000
134820075a
142a7c17a0
151a755509
hex114e6d00

290352384 has 288 divisors, whose sum is σ = 1041949440. Its totient is φ = 77856768.

The previous prime is 290352289. The next prime is 290352409. The reversal of 290352384 is 483253092.

It is a tau number, because it is divible by the number of its divisors (288).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822352 + ... + 822704.

It is an arithmetic number, because the mean of its divisors is an integer number (3617880).

Almost surely, 2290352384 is an apocalyptic number.

290352384 is a gapful number since it is divisible by the number (24) 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 290352384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520974720).

290352384 is an abundant number, since it is smaller than the sum of its proper divisors (751597056).

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

290352384 is a wasteful number, since it uses less digits than its factorization.

290352384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 290352384 is about 17039.7295753190. The cubic root of 290352384 is about 662.1785859437.

The spelling of 290352384 in words is "two hundred ninety million, three hundred fifty-two thousand, three hundred eighty-four".