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306013023 = 3234001447
BaseRepresentation
bin10010001111010…
…110001101011111
3210022211001221200
4102033112031133
51111314404043
650210530543
710404032151
oct2217261537
9708731850
10306013023
11147811128
1286596a53
134b5249c4
142c8daad1
151bcea7d3
hex123d635f

306013023 has 6 divisors (see below), whose sum is σ = 442018824. Its totient is φ = 204008676.

The previous prime is 306013003. The next prime is 306013033. The reversal of 306013023 is 320310603.

It is a happy number.

306013023 is a `hidden beast` number, since 30 + 601 + 30 + 2 + 3 = 666.

It is not a de Polignac number, because 306013023 - 220 = 304964447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306012987 and 306013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306013003) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 17000715 + ... + 17000732.

It is an arithmetic number, because the mean of its divisors is an integer number (73669804).

Almost surely, 2306013023 is an apocalyptic number.

306013023 is a deficient number, since it is larger than the sum of its proper divisors (136005801).

306013023 is a wasteful number, since it uses less digits than its factorization.

306013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34001453 (or 34001450 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 306013023 is about 17493.2279182545. The cubic root of 306013023 is about 673.8759695988.

Adding to 306013023 its reverse (320310603), we get a palindrome (626323626).

The spelling of 306013023 in words is "three hundred six million, thirteen thousand, twenty-three".

Divisors: 1 3 9 34001447 102004341 306013023