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2797472 = 2587421
BaseRepresentation
bin1010101010111110100000
312021010102002
422222332200
51204004342
6135543132
732530616
oct12527640
95233362
102797472
111640867
12b2aaa8
1376c412
1452b6b6
153a3d32
hex2aafa0

2797472 has 12 divisors (see below), whose sum is σ = 5507586. Its totient is φ = 1398720.

The previous prime is 2797463. The next prime is 2797477. The reversal of 2797472 is 2747972.

2797472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 712336 = 1444^2 + 844^2 .

It is an Ulam number.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (2797477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43679 + ... + 43742.

22797472 is an apocalyptic number.

It is an amenable number.

2797472 is a deficient number, since it is larger than the sum of its proper divisors (2710114).

2797472 is an equidigital number, since it uses as much as digits as its factorization.

2797472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87431 (or 87423 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 2797472 is about 1672.5644980090. The cubic root of 2797472 is about 140.9035438424.

The spelling of 2797472 in words is "two million, seven hundred ninety-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 87421 174842 349684 699368 1398736 2797472