Search a number
-
+
749140471 is a prime number
BaseRepresentation
bin101100101001101…
…111100111110111
31221012122021112101
4230221233213313
53013234443341
6202200402531
724364406002
oct5451574767
91835567471
10749140471
11354963362
1218aa76447
13bc2864b1
14716ca539
1545b7c831
hex2ca6f9f7

749140471 has 2 divisors, whose sum is σ = 749140472. Its totient is φ = 749140470.

The previous prime is 749140439. The next prime is 749140507. The reversal of 749140471 is 174041947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749140471 - 25 = 749140439 is a prime.

It is a super-3 number, since 3×7491404713 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is equal to p38661049 and since 749140471 and 38661049 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 749140471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749140871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374570235 + 374570236.

It is an arithmetic number, because the mean of its divisors is an integer number (374570236).

Almost surely, 2749140471 is an apocalyptic number.

749140471 is a deficient number, since it is larger than the sum of its proper divisors (1).

749140471 is an equidigital number, since it uses as much as digits as its factorization.

749140471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 749140471 is about 27370.4305958090. The cubic root of 749140471 is about 908.2130819983.

The spelling of 749140471 in words is "seven hundred forty-nine million, one hundred forty thousand, four hundred seventy-one".