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797149741 is a prime number
BaseRepresentation
bin101111100000111…
…000101000101101
32001112222101212111
4233200320220231
53113032242431
6211033404021
725516442503
oct5740705055
92045871774
10797149741
11379a74443
121a2b69611
13c91c574b
1477c26673
1549eb27b1
hex2f838a2d

797149741 has 2 divisors, whose sum is σ = 797149742. Its totient is φ = 797149740.

The previous prime is 797149739. The next prime is 797149763. The reversal of 797149741 is 147941797.

797149741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 759278025 + 37871716 = 27555^2 + 6154^2 .

It is a cyclic number.

It is not a de Polignac number, because 797149741 - 21 = 797149739 is a prime.

Together with 797149739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797749741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398574870 + 398574871.

It is an arithmetic number, because the mean of its divisors is an integer number (398574871).

Almost surely, 2797149741 is an apocalyptic number.

It is an amenable number.

797149741 is a deficient number, since it is larger than the sum of its proper divisors (1).

797149741 is an equidigital number, since it uses as much as digits as its factorization.

797149741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 49.

The square root of 797149741 is about 28233.8403516064. The cubic root of 797149741 is about 927.2139772848.

The spelling of 797149741 in words is "seven hundred ninety-seven million, one hundred forty-nine thousand, seven hundred forty-one".