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152889497 is a prime number
BaseRepresentation
bin10010001110011…
…10100010011001
3101122200120221222
421013032202121
5303114430442
623100541425
73534352655
oct1107164231
9348616858
10152889497
1179336162
1243251875
13258a1177
141643ba65
15d6508d2
hex91ce899

152889497 has 2 divisors, whose sum is σ = 152889498. Its totient is φ = 152889496.

The previous prime is 152889491. The next prime is 152889559. The reversal of 152889497 is 794988251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149426176 + 3463321 = 12224^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 152889497 - 24 = 152889481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152889491) 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, 76444748 + 76444749.

It is an arithmetic number, because the mean of its divisors is an integer number (76444749).

Almost surely, 2152889497 is an apocalyptic number.

It is an amenable number.

152889497 is a deficient number, since it is larger than the sum of its proper divisors (1).

152889497 is an equidigital number, since it uses as much as digits as its factorization.

152889497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 53.

The square root of 152889497 is about 12364.8492510018. The cubic root of 152889497 is about 534.7193298828.

The spelling of 152889497 in words is "one hundred fifty-two million, eight hundred eighty-nine thousand, four hundred ninety-seven".