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2608290 = 232573397
BaseRepresentation
bin1001111100110010100010
311220111220100
421330302202
51131431130
6131523230
731112226
oct11746242
94814810
102608290
111521713
12a59516
13704289
144bc786
15367c60
hex27cca2

2608290 has 48 divisors (see below), whose sum is σ = 6891768. Its totient is φ = 684288.

The previous prime is 2608283. The next prime is 2608303. The reversal of 2608290 is 928062.

2608290 is digitally balanced in base 2, 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 4 ways, for example, as 2313441 + 294849 = 1521^2 + 543^2 .

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 6372 + ... + 6768.

22608290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2608290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3445884).

2608290 is an abundant number, since it is smaller than the sum of its proper divisors (4283478).

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

2608290 is a wasteful number, since it uses less digits than its factorization.

2608290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2608290 is about 1615.0201237136. The cubic root of 2608290 is about 137.6528767958.

The spelling of 2608290 in words is "two million, six hundred eight thousand, two hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 73 90 146 219 365 397 438 657 730 794 1095 1191 1314 1985 2190 2382 3285 3573 3970 5955 6570 7146 11910 17865 28981 35730 57962 86943 144905 173886 260829 289810 434715 521658 869430 1304145 2608290