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100443349 is a prime number
BaseRepresentation
bin1011111110010…
…10010011010101
321000000001101001
411333022103111
5201203141344
613544503301
72326516516
oct577122325
9230001331
10100443349
1151774636
122977ab31
1317a6a546
14d4a8a0d
158c40ed4
hex5fca4d5

100443349 has 2 divisors, whose sum is σ = 100443350. Its totient is φ = 100443348.

The previous prime is 100443337. The next prime is 100443377. The reversal of 100443349 is 943344001.

It is an a-pointer prime, because the next prime (100443377) can be obtained adding 100443349 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51022449 + 49420900 = 7143^2 + 7030^2 .

It is a cyclic number.

It is not a de Polignac number, because 100443349 - 27 = 100443221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100440349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50221674 + 50221675.

It is an arithmetic number, because the mean of its divisors is an integer number (50221675).

Almost surely, 2100443349 is an apocalyptic number.

It is an amenable number.

100443349 is a deficient number, since it is larger than the sum of its proper divisors (1).

100443349 is an equidigital number, since it uses as much as digits as its factorization.

100443349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 100443349 is about 10022.1429345225. The cubic root of 100443349 is about 464.8438200589.

The spelling of 100443349 in words is "one hundred million, four hundred forty-three thousand, three hundred forty-nine".