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30733169 is a prime number
BaseRepresentation
bin111010100111…
…1001101110001
32010211101222112
41311033031301
530331430134
63014415105
7522141035
oct165171561
963741875
1030733169
1116391315
12a361495
1364a090c
1441201c5
152a711ce
hex1d4f371

30733169 has 2 divisors, whose sum is σ = 30733170. Its totient is φ = 30733168.

The previous prime is 30733139. The next prime is 30733201. The reversal of 30733169 is 96133703.

30733169 is nontrivially palindromic in base 8.

It is an a-pointer prime, because the next prime (30733201) can be obtained adding 30733169 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 976144 = 5455^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 30733169 - 212 = 30729073 is a prime.

It is a super-2 number, since 2×307331692 = 1889055353565122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30733139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15366584 + 15366585.

It is an arithmetic number, because the mean of its divisors is an integer number (15366585).

Almost surely, 230733169 is an apocalyptic number.

It is an amenable number.

30733169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30733169 is an equidigital number, since it uses as much as digits as its factorization.

30733169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 30733169 is about 5543.7504453213. The cubic root of 30733169 is about 313.2341574106.

The spelling of 30733169 in words is "thirty million, seven hundred thirty-three thousand, one hundred sixty-nine".