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202305425 = 5271156031
BaseRepresentation
bin11000000111011…
…10111110010001
3112002200011212112
430003232332101
5403242233200
632024035105
75004365510
oct1403567621
9462604775
10202305425
11a4218073
1257902a95
1332bb376a
141cc22677
1512b62535
hexc0eef91

202305425 has 12 divisors (see below), whose sum is σ = 286695936. Its totient is φ = 138723600.

The previous prime is 202305419. The next prime is 202305451. The reversal of 202305425 is 524503202.

It is not a de Polignac number, because 202305425 - 24 = 202305409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202305425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577841 + ... + 578190.

It is an arithmetic number, because the mean of its divisors is an integer number (23891328).

Almost surely, 2202305425 is an apocalyptic number.

202305425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202305425 is a deficient number, since it is larger than the sum of its proper divisors (84390511).

202305425 is a wasteful number, since it uses less digits than its factorization.

202305425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156048 (or 1156043 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 202305425 is about 14223.4111590715. The cubic root of 202305425 is about 587.0420030947.

Adding to 202305425 its reverse (524503202), we get a palindrome (726808627).

The spelling of 202305425 in words is "two hundred two million, three hundred five thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 1156031 5780155 8092217 28900775 40461085 202305425