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4290425 = 52171617
BaseRepresentation
bin10000010111011101111001
322001222100122
4100113131321
52044243200
6231543025
751316346
oct20273571
98058318
104290425
112470507
12152aa75
13b72b19
147d97cd
1559b385
hex417779

4290425 has 6 divisors (see below), whose sum is σ = 5320158. Its totient is φ = 3432320.

The previous prime is 4290413. The next prime is 4290427. The reversal of 4290425 is 5240924.

It can be written as a sum of positive squares in 3 ways, for example, as 619369 + 3671056 = 787^2 + 1916^2 .

It is not a de Polignac number, because 4290425 - 214 = 4274041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4290394 and 4290403.

It is not an unprimeable number, because it can be changed into a prime (4290427) 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 5 ways as a sum of consecutive naturals, for example, 85784 + ... + 85833.

It is an arithmetic number, because the mean of its divisors is an integer number (886693).

Almost surely, 24290425 is an apocalyptic number.

It is an amenable number.

4290425 is a deficient number, since it is larger than the sum of its proper divisors (1029733).

4290425 is a wasteful number, since it uses less digits than its factorization.

4290425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171627 (or 171622 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4290425 is about 2071.3341111467. The cubic root of 4290425 is about 162.4925440366.

The spelling of 4290425 in words is "four million, two hundred ninety thousand, four hundred twenty-five".

Divisors: 1 5 25 171617 858085 4290425