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32974013 is a prime number
BaseRepresentation
bin111110111001…
…0010010111101
32022001020211202
41331302102331
531420132023
63134425245
7550163102
oct175622275
968036752
1032974013
1117681956
12b062225
136aa6867
144544aa9
152d65128
hex1f724bd

32974013 has 2 divisors, whose sum is σ = 32974014. Its totient is φ = 32974012.

The previous prime is 32974009. The next prime is 32974069. The reversal of 32974013 is 31047923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27489049 + 5484964 = 5243^2 + 2342^2 .

It is an emirp because it is prime and its reverse (31047923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32974013 - 22 = 32974009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32974093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16487006 + 16487007.

It is an arithmetic number, because the mean of its divisors is an integer number (16487007).

Almost surely, 232974013 is an apocalyptic number.

It is an amenable number.

32974013 is a deficient number, since it is larger than the sum of its proper divisors (1).

32974013 is an equidigital number, since it uses as much as digits as its factorization.

32974013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 32974013 is about 5742.3003230413. The cubic root of 32974013 is about 320.6692147326.

The spelling of 32974013 in words is "thirty-two million, nine hundred seventy-four thousand, thirteen".