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4120625 = 5419347
BaseRepresentation
bin1111101110000000110001
321202100102202
433232000301
52023330000
6224152545
750011325
oct17560061
97670382
104120625
112364983
121468755
13b13752
14793985
15565dd5
hex3ee031

4120625 has 20 divisors (see below), whose sum is σ = 5435760. Its totient is φ = 3114000.

The previous prime is 4120621. The next prime is 4120651. The reversal of 4120625 is 5260214.

It is a happy number.

4120625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4120625 - 22 = 4120621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4120597 and 4120606.

It is not an unprimeable number, because it can be changed into a prime (4120621) 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 in 19 ways as a sum of consecutive naturals, for example, 11702 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (271788).

Almost surely, 24120625 is an apocalyptic number.

It is an amenable number.

4120625 is a deficient number, since it is larger than the sum of its proper divisors (1315135).

4120625 is an equidigital number, since it uses as much as digits as its factorization.

4120625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4120625 is about 2029.9322648798. The cubic root of 4120625 is about 160.3199976038.

Adding to 4120625 its reverse (5260214), we get a palindrome (9380839).

The spelling of 4120625 in words is "four million, one hundred twenty thousand, six hundred twenty-five".

Divisors: 1 5 19 25 95 125 347 475 625 1735 2375 6593 8675 11875 32965 43375 164825 216875 824125 4120625