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2270740 = 225113537
BaseRepresentation
bin1000101010011000010100
311021100212111
420222120110
51040130430
6120400404
725205143
oct10523024
94240774
102270740
11131104a
12916104
13616744
1443175a
152ecc2a
hex22a614

2270740 has 12 divisors (see below), whose sum is σ = 4768596. Its totient is φ = 908288.

The previous prime is 2270717. The next prime is 2270759. The reversal of 2270740 is 470722.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 1527696 = 862^2 + 1236^2 .

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, 56749 + ... + 56788.

It is an arithmetic number, because the mean of its divisors is an integer number (397383).

22270740 is an apocalyptic number.

2270740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2270740 is an abundant number, since it is smaller than the sum of its proper divisors (2497856).

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

2270740 is a wasteful number, since it uses less digits than its factorization.

2270740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113546 (or 113544 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2270740 is about 1506.8974749465. The cubic root of 2270740 is about 131.4384624386.

The spelling of 2270740 in words is "two million, two hundred seventy thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 113537 227074 454148 567685 1135370 2270740