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2252740 = 225716091
BaseRepresentation
bin1000100101111111000100
311020110011211
420211333010
51034041430
6120141204
725101520
oct10457704
94213154
102252740
1112a9576
12907804
1360b4a9
14428d80
152e772a
hex225fc4

2252740 has 24 divisors (see below), whose sum is σ = 5406912. Its totient is φ = 772320.

The previous prime is 2252729. The next prime is 2252743. The reversal of 2252740 is 472522.

2252740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2252743) 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 7 ways as a sum of consecutive naturals, for example, 7906 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (225288).

22252740 is an apocalyptic number.

2252740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252740 is an abundant number, since it is smaller than the sum of its proper divisors (3154172).

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

2252740 is a wasteful number, since it uses less digits than its factorization.

2252740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16107 (or 16105 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2252740 is about 1500.9130554433. The cubic root of 2252740 is about 131.0902394771.

It can be divided in two parts, 2252 and 740, that added together give a palindrome (2992).

The spelling of 2252740 in words is "two million, two hundred fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 16091 32182 64364 80455 112637 160910 225274 321820 450548 563185 1126370 2252740