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BaseRepresentation
bin111010001111…
…0011001001101
32010110020200011
41310132121031
530304030242
63010233221
7520346032
oct164363115
963406604
1030533197
1116265052
12a285811
1364308a6
1440ab389
152a31d17
hex1d1e64d

30533197 has 2 divisors, whose sum is σ = 30533198. Its totient is φ = 30533196.

The previous prime is 30533183. The next prime is 30533219. The reversal of 30533197 is 79133503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17816841 + 12716356 = 4221^2 + 3566^2 .

It is a cyclic number.

It is not a de Polignac number, because 30533197 - 223 = 22144589 is a prime.

It is a super-2 number, since 2×305331972 = 1864552238081618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30533117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266598 + 15266599.

It is an arithmetic number, because the mean of its divisors is an integer number (15266599).

Almost surely, 230533197 is an apocalyptic number.

It is an amenable number.

30533197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30533197 is an equidigital number, since it uses as much as digits as its factorization.

30533197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 30533197 is about 5525.6852063794. The cubic root of 30533197 is about 312.5533033342.

The spelling of 30533197 in words is "thirty million, five hundred thirty-three thousand, one hundred ninety-seven".