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2272770 = 232525253
BaseRepresentation
bin1000101010111000000010
311021110122200
420222320002
51040212040
6120414030
725214103
oct10527002
94243580
102272770
111312625
12917316
13617646
144323aa
152ed630
hex22ae02

2272770 has 24 divisors (see below), whose sum is σ = 5909436. Its totient is φ = 606048.

The previous prime is 2272757. The next prime is 2272771. The reversal of 2272770 is 772722.

It can be written as a sum of positive squares in 2 ways, for example, as 2169729 + 103041 = 1473^2 + 321^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2272771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12537 + ... + 12716.

22272770 is an apocalyptic number.

2272770 is an abundant number, since it is smaller than the sum of its proper divisors (3636666).

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

2272770 is a wasteful number, since it uses less digits than its factorization.

2272770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25266 (or 25263 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 2272770 is about 1507.5708938554. The cubic root of 2272770 is about 131.4776186325.

The spelling of 2272770 in words is "two million, two hundred seventy-two thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 25253 50506 75759 126265 151518 227277 252530 378795 454554 757590 1136385 2272770