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30025769 is a prime number
BaseRepresentation
bin111001010001…
…0100000101001
32002111110121112
41302202200221
530141311034
62551320105
7513133454
oct162424051
962443545
1030025769
1115a48894
12a080035
1362b3937
143db849b
1529817ce
hex1ca2829

30025769 has 2 divisors, whose sum is σ = 30025770. Its totient is φ = 30025768.

The previous prime is 30025753. The next prime is 30025771. The reversal of 30025769 is 96752003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26832400 + 3193369 = 5180^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 30025769 - 24 = 30025753 is a prime.

It is a super-2 number, since 2×300257692 = 1803093608082722, which contains 22 as substring.

Together with 30025771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30025789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15012884 + 15012885.

It is an arithmetic number, because the mean of its divisors is an integer number (15012885).

Almost surely, 230025769 is an apocalyptic number.

It is an amenable number.

30025769 is a deficient number, since it is larger than the sum of its proper divisors (1).

30025769 is an equidigital number, since it uses as much as digits as its factorization.

30025769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 30025769 is about 5479.5774472125. The cubic root of 30025769 is about 310.8121921059.

The spelling of 30025769 in words is "thirty million, twenty-five thousand, seven hundred sixty-nine".