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32889949 is a prime number
BaseRepresentation
bin111110101110…
…1110001011101
32021212222112021
41331131301131
531404434244
63132540141
7546363031
oct175356135
967788467
1032889949
1117624784
12b021651
136a77511
1445221c1
152d4a284
hex1f5dc5d

32889949 has 2 divisors, whose sum is σ = 32889950. Its totient is φ = 32889948.

The previous prime is 32889947. The next prime is 32889953. The reversal of 32889949 is 94998823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 10517049 = 4730^2 + 3243^2 .

It is a cyclic number.

It is not a de Polignac number, because 32889949 - 21 = 32889947 is a prime.

Together with 32889947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 32889896 and 32889905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32889947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16444974 + 16444975.

It is an arithmetic number, because the mean of its divisors is an integer number (16444975).

Almost surely, 232889949 is an apocalyptic number.

It is an amenable number.

32889949 is a deficient number, since it is larger than the sum of its proper divisors (1).

32889949 is an equidigital number, since it uses as much as digits as its factorization.

32889949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 52.

The square root of 32889949 is about 5734.9759371771. The cubic root of 32889949 is about 320.3964779645.

The spelling of 32889949 in words is "thirty-two million, eight hundred eighty-nine thousand, nine hundred forty-nine".