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350803925 = 5217825421
BaseRepresentation
bin10100111010001…
…101011111010101
3220110002200111222
4110322031133111
51204301211200
654450540125
711456532653
oct2472153725
9813080458
10350803925
111700241aa
1299597645
13578a80b4
1434839dd3
1520be6d85
hex14e8d7d5

350803925 has 12 divisors (see below), whose sum is σ = 460585476. Its totient is φ = 264134400.

The previous prime is 350803907. The next prime is 350803931. The reversal of 350803925 is 529308053.

It can be written as a sum of positive squares in 6 ways, for example, as 1898884 + 348905041 = 1378^2 + 18679^2 .

It is not a de Polignac number, because 350803925 - 212 = 350799829 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412286 + ... + 413135.

It is an arithmetic number, because the mean of its divisors is an integer number (38382123).

Almost surely, 2350803925 is an apocalyptic number.

It is an amenable number.

350803925 is a deficient number, since it is larger than the sum of its proper divisors (109781551).

350803925 is a wasteful number, since it uses less digits than its factorization.

350803925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825448 (or 825443 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 350803925 is about 18729.7604095728. The cubic root of 350803925 is about 705.2690320075.

The spelling of 350803925 in words is "three hundred fifty million, eight hundred three thousand, nine hundred twenty-five".

Divisors: 1 5 17 25 85 425 825421 4127105 14032157 20635525 70160785 350803925