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234540313 = 7317192973
BaseRepresentation
bin11011111101011…
…00110100011001
3121100022212211021
431332230310121
5440020242223
635135002441
75545363000
oct1576546431
9540285737
10234540313
11110434677
1266669421
133978ba67
1423213c37
15158cd65d
hexdfacd19

234540313 has 64 divisors (see below), whose sum is σ = 319680000. Its totient is φ = 170698752.

The previous prime is 234540307. The next prime is 234540329. The reversal of 234540313 is 313045432.

It is not a de Polignac number, because 234540313 - 225 = 200985881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234540353) 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 in 63 ways as a sum of consecutive naturals, for example, 3212845 + ... + 3212917.

It is an arithmetic number, because the mean of its divisors is an integer number (4995000).

Almost surely, 2234540313 is an apocalyptic number.

It is an amenable number.

234540313 is a deficient number, since it is larger than the sum of its proper divisors (85139687).

234540313 is a wasteful number, since it uses less digits than its factorization.

234540313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 234540313 is about 15314.7090406576. The cubic root of 234540313 is about 616.6979434181.

Adding to 234540313 its reverse (313045432), we get a palindrome (547585745).

The spelling of 234540313 in words is "two hundred thirty-four million, five hundred forty thousand, three hundred thirteen".

Divisors: 1 7 17 19 29 49 73 119 133 203 323 343 493 511 551 833 931 1241 1387 1421 2117 2261 3451 3577 3857 5831 6517 8687 9367 9709 9947 14819 15827 23579 24157 25039 26999 35989 40223 60809 65569 67963 103733 110789 165053 169099 188993 251923 281561 425663 458983 475741 683791 726131 1155371 1763461 1970927 3212881 4786537 8087597 12344227 13796489 33505759 234540313