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30190169 is a prime number
BaseRepresentation
bin111001100101…
…0101001011001
32002210211010102
41303022221121
530212041134
62555025145
7514416662
oct163125131
962724112
1030190169
1116050359
12a13b1b5
136340709
14401c369
1529b537e
hex1ccaa59

30190169 has 2 divisors, whose sum is σ = 30190170. Its totient is φ = 30190168.

The previous prime is 30190159. The next prime is 30190177. The reversal of 30190169 is 96109103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29214025 + 976144 = 5405^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 30190169 - 224 = 13412953 is a prime.

It is a super-2 number, since 2×301901692 = 1822892608497122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30190159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15095084 + 15095085.

It is an arithmetic number, because the mean of its divisors is an integer number (15095085).

Almost surely, 230190169 is an apocalyptic number.

It is an amenable number.

30190169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30190169 is an equidigital number, since it uses as much as digits as its factorization.

30190169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 30190169 is about 5494.5581260007. The cubic root of 30190169 is about 311.3784229435.

The spelling of 30190169 in words is "thirty million, one hundred ninety thousand, one hundred sixty-nine".