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149927753 is a prime number
BaseRepresentation
bin10001110111110…
…11011101001001
3101110010010012202
420323323131021
5301340142003
622513245545
73500236103
oct1073733511
9343103182
10149927753
11776a2a38
12422638b5
13250a5061
1415caa573
15d268088
hex8efb749

149927753 has 2 divisors, whose sum is σ = 149927754. Its totient is φ = 149927752.

The previous prime is 149927717. The next prime is 149927779. The reversal of 149927753 is 357729941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133702969 + 16224784 = 11563^2 + 4028^2 .

It is an emirp because it is prime and its reverse (357729941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149927753 - 28 = 149927497 is a prime.

It is a super-2 number, since 2×1499277532 = 44956662239258018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149927698 and 149927707.

It is not a weakly prime, because it can be changed into another prime (149927653) 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, 74963876 + 74963877.

It is an arithmetic number, because the mean of its divisors is an integer number (74963877).

Almost surely, 2149927753 is an apocalyptic number.

It is an amenable number.

149927753 is a deficient number, since it is larger than the sum of its proper divisors (1).

149927753 is an equidigital number, since it uses as much as digits as its factorization.

149927753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 149927753 is about 12244.4988872555. The cubic root of 149927753 is about 531.2439665658.

The spelling of 149927753 in words is "one hundred forty-nine million, nine hundred twenty-seven thousand, seven hundred fifty-three".