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32440643 is a prime number
BaseRepresentation
bin111101111000…
…0000101000011
32021001011012022
41323300011003
531301100033
63115152055
7542512064
oct173600503
967034168
1032440643
1117348154
12aa4562b
13694ab61
14444656b
152cac098
hex1ef0143

32440643 has 2 divisors, whose sum is σ = 32440644. Its totient is φ = 32440642.

The previous prime is 32440637. The next prime is 32440651. The reversal of 32440643 is 34604423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32440643 - 26 = 32440579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32440613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220321 + 16220322.

It is an arithmetic number, because the mean of its divisors is an integer number (16220322).

Almost surely, 232440643 is an apocalyptic number.

32440643 is a deficient number, since it is larger than the sum of its proper divisors (1).

32440643 is an equidigital number, since it uses as much as digits as its factorization.

32440643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 32440643 is about 5695.6687930391. The cubic root of 32440643 is about 318.9308163893.

The spelling of 32440643 in words is "thirty-two million, four hundred forty thousand, six hundred forty-three".