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11320724 = 222830181
BaseRepresentation
bin101011001011…
…110110010100
3210022011010002
4223023312110
510344230344
61042350432
7165140012
oct53136624
923264102
1011320724
116432478
12395b418
132464a6c
1417098b2
15ed944e
hexacbd94

11320724 has 6 divisors (see below), whose sum is σ = 19811274. Its totient is φ = 5660360.

The previous prime is 11320723. The next prime is 11320733. The reversal of 11320724 is 42702311.

It can be written as a sum of positive squares in only one way, i.e., 7118224 + 4202500 = 2668^2 + 2050^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11320696 and 11320705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415087 + ... + 1415094.

It is an arithmetic number, because the mean of its divisors is an integer number (3301879).

Almost surely, 211320724 is an apocalyptic number.

It is an amenable number.

11320724 is a deficient number, since it is larger than the sum of its proper divisors (8490550).

11320724 is a wasteful number, since it uses less digits than its factorization.

11320724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830185 (or 2830183 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11320724 is about 3364.6283598638. The cubic root of 11320724 is about 224.5388017978.

The spelling of 11320724 in words is "eleven million, three hundred twenty thousand, seven hundred twenty-four".

Divisors: 1 2 4 2830181 5660362 11320724