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2897268 = 2231147467
BaseRepresentation
bin1011000011010101110100
312110012022020
423003111310
51220203033
6142033140
733424563
oct13032564
95405266
102897268
1116a9840
12b787b0
137a597a
14555bda
153c36b3
hex2c3574

2897268 has 48 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 857440.

The previous prime is 2897263. The next prime is 2897269. The reversal of 2897268 is 8627982.

It is a happy number.

2897268 is digitally balanced in base 2, 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 (2897263) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5971 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

22897268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773952).

2897268 is an abundant number, since it is smaller than the sum of its proper divisors (4650636).

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

2897268 is a wasteful number, since it uses less digits than its factorization.

2897268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 2897268 is about 1702.1363047653. The cubic root of 2897268 is about 142.5595196115.

It can be divided in two parts, 289 and 7268, that added together give a palindrome (7557).

The spelling of 2897268 in words is "two million, eight hundred ninety-seven thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 47 66 94 132 141 188 282 467 517 564 934 1034 1401 1551 1868 2068 2802 3102 5137 5604 6204 10274 15411 20548 21949 30822 43898 61644 65847 87796 131694 241439 263388 482878 724317 965756 1448634 2897268