Search a number
749340971 is a prime number
BaseRepresentation
bin101100101010100…
…000100100101011
31221020000110120022
4230222200210223
53013312402341
6202204551055
724366202361
oct5452404453
91836013508
10749340971
11354a8aa65
1218ab5248b
13bc326832
147173d631
1545bbbe4b
hex2caa092b

749340971 has 2 divisors, whose sum is σ = 749340972. Its totient is φ = 749340970.

The previous prime is 749340937. The next prime is 749340979. The reversal of 749340971 is 179043947.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-749340971 is a prime.

It is not a weakly prime, because it can be changed into another prime (749340979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374670485 + 374670486.

It is an arithmetic number, because the mean of its divisors is an integer number (374670486).

Almost surely, 2749340971 is an apocalyptic number.

749340971 is a deficient number, since it is larger than the sum of its proper divisors (1).

749340971 is an equidigital number, since it uses as much as digits as its factorization.

749340971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 749340971 is about 27374.0930626021. The cubic root of 749340971 is about 908.2940995053.

The spelling of 749340971 in words is "seven hundred forty-nine million, three hundred forty thousand, nine hundred seventy-one".