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2865248 = 251723229
BaseRepresentation
bin1010111011100001100000
312101120101022
422323201200
51213141443
6141225012
733232331
oct12734140
95346338
102865248
111687781
12b62168
13794219
14548288
153b8e68
hex2bb860

2865248 has 48 divisors (see below), whose sum is σ = 6259680. Its totient is φ = 1284096.

The previous prime is 2865241. The next prime is 2865259. The reversal of 2865248 is 8425682.

It is a super-2 number, since 2×28652482 = 16419292203008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12398 + ... + 12626.

It is an arithmetic number, because the mean of its divisors is an integer number (130410).

22865248 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 2865248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129840).

2865248 is an abundant number, since it is smaller than the sum of its proper divisors (3394432).

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

2865248 is a wasteful number, since it uses less digits than its factorization.

2865248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 271 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2865248 is about 1692.7043451235. The cubic root of 2865248 is about 142.0323935883.

It can be divided in two parts, 2865 and 248, that added together give a palindrome (3113).

The spelling of 2865248 in words is "two million, eight hundred sixty-five thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 17 23 32 34 46 68 92 136 184 229 272 368 391 458 544 736 782 916 1564 1832 3128 3664 3893 5267 6256 7328 7786 10534 12512 15572 21068 31144 42136 62288 84272 89539 124576 168544 179078 358156 716312 1432624 2865248