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100616749 is a prime number
BaseRepresentation
bin1011111111101…
…00101000101101
321000022212020021
411333310220231
5201224213444
613552322141
72331141202
oct577645055
9230285207
10100616749
1151882942
1229843351
1317acb44c
14d511ca9
158c77584
hex5ff4a2d

100616749 has 2 divisors, whose sum is σ = 100616750. Its totient is φ = 100616748.

The previous prime is 100616717. The next prime is 100616753. The reversal of 100616749 is 947616001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 4380649 = 9810^2 + 2093^2 .

It is an emirp because it is prime and its reverse (947616001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100616749 - 25 = 100616717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100616249) 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, 50308374 + 50308375.

It is an arithmetic number, because the mean of its divisors is an integer number (50308375).

Almost surely, 2100616749 is an apocalyptic number.

It is an amenable number.

100616749 is a deficient number, since it is larger than the sum of its proper divisors (1).

100616749 is an equidigital number, since it uses as much as digits as its factorization.

100616749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 100616749 is about 10030.7900486452. The cubic root of 100616749 is about 465.1111600743. Note that the first 4 decimals are identical.

The spelling of 100616749 in words is "one hundred million, six hundred sixteen thousand, seven hundred forty-nine".