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4685388 = 223390449
BaseRepresentation
bin10001110111111001001100
322211001010220
4101313321030
52144413023
6244231340
754553011
oct21677114
98731126
104685388
112710224
12169b550
13c80826
1489d708
156283e3
hex477e4c

4685388 has 12 divisors (see below), whose sum is σ = 10932600. Its totient is φ = 1561792.

The previous prime is 4685341. The next prime is 4685389. The reversal of 4685388 is 8835864.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4685389) 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 3 ways as a sum of consecutive naturals, for example, 195213 + ... + 195236.

It is an arithmetic number, because the mean of its divisors is an integer number (911050).

Almost surely, 24685388 is an apocalyptic number.

It is an amenable number.

4685388 is an abundant number, since it is smaller than the sum of its proper divisors (6247212).

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

4685388 is a wasteful number, since it uses less digits than its factorization.

4685388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390456 (or 390454 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 4685388 is about 2164.5757090017. The cubic root of 4685388 is about 167.3330987688. Note that the first 3 decimals are identical.

The spelling of 4685388 in words is "four million, six hundred eighty-five thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 390449 780898 1171347 1561796 2342694 4685388