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30234769 is a prime number
BaseRepresentation
bin111001101010…
…1100010010001
32002220002022021
41303111202101
530220003034
63000011441
7514664005
oct163254221
962802267
1030234769
1116080914
12a160b81
136357ac6
144030705
1529c36b4
hex1cd5891

30234769 has 2 divisors, whose sum is σ = 30234770. Its totient is φ = 30234768.

The previous prime is 30234767. The next prime is 30234797. The reversal of 30234769 is 96743203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28998225 + 1236544 = 5385^2 + 1112^2 .

It is a cyclic number.

It is not a de Polignac number, because 30234769 - 21 = 30234767 is a prime.

It is a super-2 number, since 2×302347692 = 1828282512966722, which contains 22 as substring.

Together with 30234767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30234761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15117384 + 15117385.

It is an arithmetic number, because the mean of its divisors is an integer number (15117385).

Almost surely, 230234769 is an apocalyptic number.

It is an amenable number.

30234769 is a deficient number, since it is larger than the sum of its proper divisors (1).

30234769 is an equidigital number, since it uses as much as digits as its factorization.

30234769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 30234769 is about 5498.6151892999. The cubic root of 30234769 is about 311.5316808313.

The spelling of 30234769 in words is "thirty million, two hundred thirty-four thousand, seven hundred sixty-nine".