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2276440 = 23556911
BaseRepresentation
bin1000101011110001011000
311021122200121
420223301120
51040321230
6120443024
725230565
oct10536130
94248617
102276440
111315361
12919474
1361920a
1443386c
152ee77a
hex22bc58

2276440 has 16 divisors (see below), whose sum is σ = 5122080. Its totient is φ = 910560.

The previous prime is 2276431. The next prime is 2276467. The reversal of 2276440 is 446722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28416 + ... + 28495.

It is an arithmetic number, because the mean of its divisors is an integer number (320130).

22276440 is an apocalyptic number.

2276440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2276440 is an abundant number, since it is smaller than the sum of its proper divisors (2845640).

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

2276440 is a wasteful number, since it uses less digits than its factorization.

2276440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56922 (or 56918 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2276440 is about 1508.7875927380. The cubic root of 2276440 is about 131.5483492640.

The spelling of 2276440 in words is "two million, two hundred seventy-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 56911 113822 227644 284555 455288 569110 1138220 2276440