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290468 = 2272617
BaseRepresentation
bin1000110111010100100
3112202110002
41012322210
533243333
610120432
72316563
oct1067244
9482402
10290468
11189262
12120118
13a2299
1477bda
155b0e8
hex46ea4

290468 has 6 divisors (see below), whose sum is σ = 508326. Its totient is φ = 145232.

The previous prime is 290447. The next prime is 290471. The reversal of 290468 is 864092.

290468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 289444 + 1024 = 538^2 + 32^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 290468.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36305 + ... + 36312.

It is an arithmetic number, because the mean of its divisors is an integer number (84721).

2290468 is an apocalyptic number.

It is an amenable number.

290468 is a deficient number, since it is larger than the sum of its proper divisors (217858).

290468 is a wasteful number, since it uses less digits than its factorization.

290468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72621 (or 72619 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 290468 is about 538.9508326369. The cubic root of 290468 is about 66.2266465688.

The spelling of 290468 in words is "two hundred ninety thousand, four hundred sixty-eight".

Divisors: 1 2 4 72617 145234 290468