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180097231 is a prime number
BaseRepresentation
bin10101011110000…
…01000011001111
3110112212212221211
422233001003033
5332101102411
625512035251
74314541546
oct1257010317
9415785854
10180097231
1192729796
1250392b27
132b409212
1419cc115d
1510c27221
hexabc10cf

180097231 has 2 divisors, whose sum is σ = 180097232. Its totient is φ = 180097230.

The previous prime is 180097217. The next prime is 180097243. The reversal of 180097231 is 132790081.

180097231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-180097231 is a prime.

It is a super-2 number, since 2×1800972312 = 64870025227734722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180097193 and 180097202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180097271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90048615 + 90048616.

It is an arithmetic number, because the mean of its divisors is an integer number (90048616).

Almost surely, 2180097231 is an apocalyptic number.

180097231 is a deficient number, since it is larger than the sum of its proper divisors (1).

180097231 is an equidigital number, since it uses as much as digits as its factorization.

180097231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 180097231 is about 13420.0309612161. The cubic root of 180097231 is about 564.7232633333.

The spelling of 180097231 in words is "one hundred eighty million, ninety-seven thousand, two hundred thirty-one".