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42025625 = 54193539
BaseRepresentation
bin1010000001010…
…0001010011001
32221002010022122
42200110022121
541224310000
64100431025
71020132455
oct240241231
987063278
1042025625
11217a4524
12120a8475
138925845
14581d665
153a52085
hex2814299

42025625 has 20 divisors (see below), whose sum is σ = 55294800. Its totient is φ = 31842000.

The previous prime is 42025583. The next prime is 42025631. The reversal of 42025625 is 52652024.

It is not a de Polignac number, because 42025625 - 26 = 42025561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42025594 and 42025603.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10106 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (2764740).

Almost surely, 242025625 is an apocalyptic number.

It is an amenable number.

42025625 is a deficient number, since it is larger than the sum of its proper divisors (13269175).

42025625 is an equidigital number, since it uses as much as digits as its factorization.

42025625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42025625 is about 6482.7174086181. The cubic root of 42025625 is about 347.6733431187.

Adding to 42025625 its reverse (52652024), we get a palindrome (94677649).

It can be divided in two parts, 42025 and 625, that multiplied together give a square (26265625 = 51252).

The spelling of 42025625 in words is "forty-two million, twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 19 25 95 125 475 625 2375 3539 11875 17695 67241 88475 336205 442375 1681025 2211875 8405125 42025625