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152243249 is a prime number
BaseRepresentation
bin10010001001100…
…00110000110001
3101121110202110212
421010300300301
5302433240444
623035033505
73526021604
oct1104606061
9347422425
10152243249
1178a34674
1242b9b895
1325705c82
141631033b
15d57419e
hex9130c31

152243249 has 2 divisors, whose sum is σ = 152243250. Its totient is φ = 152243248.

The previous prime is 152243237. The next prime is 152243261. The reversal of 152243249 is 942342251.

It is a balanced prime because it is at equal distance from previous prime (152243237) and next prime (152243261).

It can be written as a sum of positive squares in only one way, i.e., 92025649 + 60217600 = 9593^2 + 7760^2 .

It is a cyclic number.

It is not a de Polignac number, because 152243249 - 216 = 152177713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (152243549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76121624 + 76121625.

It is an arithmetic number, because the mean of its divisors is an integer number (76121625).

Almost surely, 2152243249 is an apocalyptic number.

It is an amenable number.

152243249 is a deficient number, since it is larger than the sum of its proper divisors (1).

152243249 is an equidigital number, since it uses as much as digits as its factorization.

152243249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 152243249 is about 12338.6891118952. The cubic root of 152243249 is about 533.9648648721.

The spelling of 152243249 in words is "one hundred fifty-two million, two hundred forty-three thousand, two hundred forty-nine".