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2630289 = 33672389
BaseRepresentation
bin1010000010001010010001
311221122002010
422002022101
51133132124
6132213133
731233324
oct12021221
94848063
102630289
1115371a2
12a6a1a9
137112ac
144c67bb
1536e529
hex282291

2630289 has 8 divisors (see below), whose sum is σ = 3518080. Its totient is φ = 1748016.

The previous prime is 2630281. The next prime is 2630317. The reversal of 2630289 is 9820362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2630289 - 23 = 2630281 is a prime.

It is a super-3 number, since 3×26302893 = 54592333833914482707, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2630281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (439760).

22630289 is an apocalyptic number.

It is an amenable number.

2630289 is a deficient number, since it is larger than the sum of its proper divisors (887791).

2630289 is a wasteful number, since it uses less digits than its factorization.

2630289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2630289 is about 1621.8165740922. The cubic root of 2630289 is about 138.0387939663.

The spelling of 2630289 in words is "two million, six hundred thirty thousand, two hundred eighty-nine".

Divisors: 1 3 367 1101 2389 7167 876763 2630289