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2273472 = 26323947
BaseRepresentation
bin1000101011000011000000
311021111121200
420223003000
51040222342
6120421200
725216125
oct10530300
94244550
102273472
111313103
12917800
13617a66
1443274c
152ed94c
hex22b0c0

2273472 has 42 divisors (see below), whose sum is σ = 6518148. Its totient is φ = 757632.

The previous prime is 2273471. The next prime is 2273477. The reversal of 2273472 is 2743722.

It is not an unprimeable number, because it can be changed into a prime (2273471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1398 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (155194).

22273472 is an apocalyptic number.

It is an amenable number.

2273472 is an abundant number, since it is smaller than the sum of its proper divisors (4244676).

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

2273472 is a wasteful number, since it uses less digits than its factorization.

2273472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965 (or 3952 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 2273472 is about 1507.8037007515. The cubic root of 2273472 is about 131.4911539202.

The spelling of 2273472 in words is "two million, two hundred seventy-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 3947 7894 11841 15788 23682 31576 35523 47364 63152 71046 94728 126304 142092 189456 252608 284184 378912 568368 757824 1136736 2273472