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306425053 = 1143164633
BaseRepresentation
bin10010010000111…
…010110011011101
3210100121000011001
4102100322303131
51111421100203
650223430301
710410366334
oct2220726335
9710530131
10306425053
11147a72750
1286755391
134b63a3cc
142c9a6d1b
151bd7c91d
hex1243acdd

306425053 has 8 divisors (see below), whose sum is σ = 335062656. Its totient is φ = 277917600.

The previous prime is 306425047. The next prime is 306425059. The reversal of 306425053 is 350524603.

It is an interprime number because it is at equal distance from previous prime (306425047) and next prime (306425059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 306425053 - 221 = 304327901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306425059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27576 + ... + 37057.

It is an arithmetic number, because the mean of its divisors is an integer number (41882832).

Almost surely, 2306425053 is an apocalyptic number.

It is an amenable number.

306425053 is a deficient number, since it is larger than the sum of its proper divisors (28637603).

306425053 is a wasteful number, since it uses less digits than its factorization.

306425053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65075.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 306425053 is about 17505.0007997715. Note that the first 3 decimals coincide. The cubic root of 306425053 is about 674.1782798179.

Subtracting from 306425053 its sum of digits (28), we obtain a square (306425025 = 175052).

Adding to 306425053 its reverse (350524603), we get a palindrome (656949656).

The spelling of 306425053 in words is "three hundred six million, four hundred twenty-five thousand, fifty-three".

Divisors: 1 11 431 4741 64633 710963 27856823 306425053