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307025 = 5212281
BaseRepresentation
bin1001010111101010001
3120121011022
41022331101
534311100
610325225
72416055
oct1127521
9517138
10307025
1119a744
12129815
13a9994
147dc65
1560e85
hex4af51

307025 has 6 divisors (see below), whose sum is σ = 380742. Its totient is φ = 245600.

The previous prime is 307019. The next prime is 307031. The reversal of 307025 is 520703.

It is an interprime number because it is at equal distance from previous prime (307019) and next prime (307031).

It can be written as a sum of positive squares in 3 ways, for example, as 61009 + 246016 = 247^2 + 496^2 .

It is not a de Polignac number, because 307025 - 24 = 307009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 306994 and 307012.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 307025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6116 + ... + 6165.

It is an arithmetic number, because the mean of its divisors is an integer number (63457).

2307025 is an apocalyptic number.

It is an amenable number.

307025 is a deficient number, since it is larger than the sum of its proper divisors (73717).

307025 is a wasteful number, since it uses less digits than its factorization.

307025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291 (or 12286 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 307025 is about 554.0983667184. The cubic root of 307025 is about 67.4617982282.

Adding to 307025 its reverse (520703), we get a palindrome (827728).

The spelling of 307025 in words is "three hundred seven thousand, twenty-five".

Divisors: 1 5 25 12281 61405 307025