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2272465 = 51334961
BaseRepresentation
bin1000101010110011010001
311021110020101
420222303101
51040204330
6120412401
725213156
oct10526321
94243211
102272465
111312378
12917101
13617470
1443222d
152ed4ca
hex22acd1

2272465 has 8 divisors (see below), whose sum is σ = 2936808. Its totient is φ = 1678080.

The previous prime is 2272463. The next prime is 2272471. The reversal of 2272465 is 5642722.

It can be written as a sum of positive squares in 4 ways, for example, as 13456 + 2259009 = 116^2 + 1503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2272465 - 21 = 2272463 is a prime.

It is a Duffinian number.

2272465 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272463) 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, 17416 + ... + 17545.

It is an arithmetic number, because the mean of its divisors is an integer number (367101).

22272465 is an apocalyptic number.

It is an amenable number.

2272465 is a deficient number, since it is larger than the sum of its proper divisors (664343).

2272465 is a wasteful number, since it uses less digits than its factorization.

2272465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34979.

The product of its digits is 6720, while the sum is 28.

The square root of 2272465 is about 1507.4697343562. The cubic root of 2272465 is about 131.4717370479.

The spelling of 2272465 in words is "two million, two hundred seventy-two thousand, four hundred sixty-five".

Divisors: 1 5 13 65 34961 174805 454493 2272465