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2220352 = 2634693
BaseRepresentation
bin1000011110000101000000
311011210202021
420132011000
51032022402
6115331224
724605221
oct10360500
94153667
102220352
111287202
128b0b14
135c9824
1441b248
152dcd37
hex21e140

2220352 has 14 divisors (see below), whose sum is σ = 4406138. Its totient is φ = 1110144.

The previous prime is 2220349. The next prime is 2220367. The reversal of 2220352 is 2530222.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 215296 = 1416^2 + 464^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a d-powerful number, because it can be written as 2 + 28 + 212 + 0 + 36 + 59 + 218 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17283 + ... + 17410.

22220352 is an apocalyptic number.

It is an amenable number.

2220352 is a deficient number, since it is larger than the sum of its proper divisors (2185786).

2220352 is an equidigital number, since it uses as much as digits as its factorization.

2220352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34705 (or 34695 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2220352 is about 1490.0845613589. The cubic root of 2220352 is about 130.4589694020.

Adding to 2220352 its reverse (2530222), we get a palindrome (4750574).

It can be divided in two parts, 22 and 20352, that multiplied together give a palindrome (447744).

The spelling of 2220352 in words is "two million, two hundred twenty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 34693 69386 138772 277544 555088 1110176 2220352