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107148749 is a prime number
BaseRepresentation
bin1100110001011…
…11010111001101
321110121201110012
412120233113031
5204412224444
614344323005
72440515011
oct630572715
9243551405
10107148749
1155534494
122ba73465
1319277636
1410332541
159617b9e
hex662f5cd

107148749 has 2 divisors, whose sum is σ = 107148750. Its totient is φ = 107148748.

The previous prime is 107148709. The next prime is 107148763. The reversal of 107148749 is 947841701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94439524 + 12709225 = 9718^2 + 3565^2 .

It is an emirp because it is prime and its reverse (947841701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107148749 - 216 = 107083213 is a prime.

It is a super-2 number, since 2×1071487492 = 22961708824530002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107148709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53574374 + 53574375.

It is an arithmetic number, because the mean of its divisors is an integer number (53574375).

Almost surely, 2107148749 is an apocalyptic number.

It is an amenable number.

107148749 is a deficient number, since it is larger than the sum of its proper divisors (1).

107148749 is an equidigital number, since it uses as much as digits as its factorization.

107148749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 107148749 is about 10351.2679899614. The cubic root of 107148749 is about 474.9658317066.

The spelling of 107148749 in words is "one hundred seven million, one hundred forty-eight thousand, seven hundred forty-nine".