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232520149 is a prime number
BaseRepresentation
bin11011101101111…
…11100111010101
3121012112020200101
431312333213111
5434011121044
635023414101
75522250211
oct1566774725
9535466611
10232520149
1110a284914
1265a54331
13392323b4
1422c49941
151562ecd4
hexddbf9d5

232520149 has 2 divisors, whose sum is σ = 232520150. Its totient is φ = 232520148.

The previous prime is 232520137. The next prime is 232520191. The reversal of 232520149 is 941025232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216972900 + 15547249 = 14730^2 + 3943^2 .

It is a cyclic number.

It is not a de Polignac number, because 232520149 - 25 = 232520117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232520129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116260074 + 116260075.

It is an arithmetic number, because the mean of its divisors is an integer number (116260075).

Almost surely, 2232520149 is an apocalyptic number.

It is an amenable number.

232520149 is a deficient number, since it is larger than the sum of its proper divisors (1).

232520149 is an equidigital number, since it uses as much as digits as its factorization.

232520149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 232520149 is about 15248.6113794011. The cubic root of 232520149 is about 614.9222357444.

The spelling of 232520149 in words is "two hundred thirty-two million, five hundred twenty thousand, one hundred forty-nine".