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2248840 = 2351119269
BaseRepresentation
bin1000100101000010001000
311020020211101
420211002020
51033430330
6120111144
725054246
oct10450210
94206741
102248840
1112a6650
129054b4
13609799
14427796
152e64ca
hex225088

2248840 has 64 divisors (see below), whose sum is σ = 5832000. Its totient is φ = 771840.

The previous prime is 2248837. The next prime is 2248847. The reversal of 2248840 is 488422.

It is a d-powerful number, because it can be written as 27 + 217 + 46 + 8 + 87 + 47 + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2248799 and 2248808.

It is not an unprimeable number, because it can be changed into a prime (2248847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8226 + ... + 8494.

It is an arithmetic number, because the mean of its divisors is an integer number (91125).

22248840 is an apocalyptic number.

2248840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2248840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916000).

2248840 is an abundant number, since it is smaller than the sum of its proper divisors (3583160).

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

2248840 is a wasteful number, since it uses less digits than its factorization.

2248840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2248840 is about 1499.6132834834. The cubic root of 2248840 is about 131.0145468763.

It can be divided in two parts, 2 and 248840, that added together give a palindrome (248842).

The spelling of 2248840 in words is "two million, two hundred forty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 269 380 418 440 538 760 836 1045 1076 1345 1672 2090 2152 2690 2959 4180 5111 5380 5918 8360 10222 10760 11836 14795 20444 23672 25555 29590 40888 51110 56221 59180 102220 112442 118360 204440 224884 281105 449768 562210 1124420 2248840