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4680909 = 366421
BaseRepresentation
bin10001110110110011001101
322210211000000
4101312303031
52144242114
6244154513
754533652
oct21666315
98724000
104680909
112707922
121698a39
13c7b78c
1489bc29
15626e09
hex476ccd

4680909 has 14 divisors (see below), whose sum is σ = 7019246. Its totient is φ = 3120120.

The previous prime is 4680901. The next prime is 4680913. The reversal of 4680909 is 9090864.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 1108809 = 1890^2 + 1053^2 .

It is not a de Polignac number, because 4680909 - 23 = 4680901 is a prime.

It is a super-4 number, since 4×46809094 (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

4680909 is a modest number, since divided by 909 gives 468 as remainder.

4680909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4680901) 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 in 13 ways as a sum of consecutive naturals, for example, 2482 + ... + 3939.

Almost surely, 24680909 is an apocalyptic number.

It is an amenable number.

4680909 is a deficient number, since it is larger than the sum of its proper divisors (2338337).

4680909 is an frugal number, since it uses more digits than its factorization.

4680909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439 (or 6424 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 4680909 is about 2163.5408477771. The cubic root of 4680909 is about 167.2797610374.

The spelling of 4680909 in words is "four million, six hundred eighty thousand, nine hundred nine".

Divisors: 1 3 9 27 81 243 729 6421 19263 57789 173367 520101 1560303 4680909