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306132425 = 5212245297
BaseRepresentation
bin10010001111110…
…011010111001001
3210100001010201222
4102033303113021
51111332214200
650213251425
710405040234
oct2217632711
9710033658
10306132425
11147892905
1286633b75
134b567161
142c92c41b
151bd20d85
hex123f35c9

306132425 has 6 divisors (see below), whose sum is σ = 379604238. Its totient is φ = 244905920.

The previous prime is 306132403. The next prime is 306132433. The reversal of 306132425 is 524231603.

It can be written as a sum of positive squares in 3 ways, for example, as 34904464 + 271227961 = 5908^2 + 16469^2 .

It is a de Polignac number, because none of the positive numbers 2k-306132425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306132394 and 306132403.

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, 6122624 + ... + 6122673.

It is an arithmetic number, because the mean of its divisors is an integer number (63267373).

Almost surely, 2306132425 is an apocalyptic number.

It is an amenable number.

306132425 is a deficient number, since it is larger than the sum of its proper divisors (73471813).

306132425 is a wasteful number, since it uses less digits than its factorization.

306132425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245307 (or 12245302 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 306132425 is about 17496.6403918009. The cubic root of 306132425 is about 673.9636038602.

The spelling of 306132425 in words is "three hundred six million, one hundred thirty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 12245297 61226485 306132425