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306801029 is a prime number
BaseRepresentation
bin10010010010010…
…110100110000101
3210101022002220002
4102102112212011
51112020113104
650235451045
710413523433
oct2222264605
9711262802
10306801029
111481aa177
12868b6a85
134b73c592
142ca63d53
151be0401e
hex12496985

306801029 has 2 divisors, whose sum is σ = 306801030. Its totient is φ = 306801028.

The previous prime is 306801013. The next prime is 306801031. The reversal of 306801029 is 920108603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277888900 + 28912129 = 16670^2 + 5377^2 .

It is an emirp because it is prime and its reverse (920108603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 306801029 - 24 = 306801013 is a prime.

Together with 306801031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 306800992 and 306801010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306801059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153400514 + 153400515.

It is an arithmetic number, because the mean of its divisors is an integer number (153400515).

Almost surely, 2306801029 is an apocalyptic number.

It is an amenable number.

306801029 is a deficient number, since it is larger than the sum of its proper divisors (1).

306801029 is an equidigital number, since it uses as much as digits as its factorization.

306801029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 306801029 is about 17515.7366102599. The cubic root of 306801029 is about 674.4539005088.

The spelling of 306801029 in words is "three hundred six million, eight hundred one thousand, twenty-nine".