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100745149 is a prime number
BaseRepresentation
bin1100000000100…
…11111110111101
321000120101100211
412000103332331
5201242321044
613555152421
72332214431
oct600237675
9230511324
10100745149
115196035a
12298a5711
1317b44a1b
14d5469c1
158ca0634
hex6013fbd

100745149 has 2 divisors, whose sum is σ = 100745150. Its totient is φ = 100745148.

The previous prime is 100745131. The next prime is 100745167. The reversal of 100745149 is 941547001.

It is a balanced prime because it is at equal distance from previous prime (100745131) and next prime (100745167).

It can be written as a sum of positive squares in only one way, i.e., 82682649 + 18062500 = 9093^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 100745149 - 211 = 100743101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100745149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100745119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50372574 + 50372575.

It is an arithmetic number, because the mean of its divisors is an integer number (50372575).

Almost surely, 2100745149 is an apocalyptic number.

It is an amenable number.

100745149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100745149 is an equidigital number, since it uses as much as digits as its factorization.

100745149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 100745149 is about 10037.1883015115. The cubic root of 100745149 is about 465.3089233293.

The spelling of 100745149 in words is "one hundred million, seven hundred forty-five thousand, one hundred forty-nine".