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34881345 = 3252926729
BaseRepresentation
bin1000010100001…
…1111101000001
32102122011012200
42011003331001
532412200340
63243343413
7602325612
oct205037501
972564180
1034881345
1118764964
12b821b69
1372c3a65
1448bdc09
1530e0330
hex2143f41

34881345 has 24 divisors (see below), whose sum is σ = 62548200. Its totient is φ = 17961216.

The previous prime is 34881323. The next prime is 34881349. The reversal of 34881345 is 54318843.

It can be written as a sum of positive squares in 4 ways, for example, as 5363856 + 29517489 = 2316^2 + 5433^2 .

It is not a de Polignac number, because 34881345 - 25 = 34881313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34881349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12060 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (2606175).

Almost surely, 234881345 is an apocalyptic number.

It is an amenable number.

34881345 is a deficient number, since it is larger than the sum of its proper divisors (27666855).

34881345 is a wasteful number, since it uses less digits than its factorization.

34881345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26769 (or 26766 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 34881345 is about 5906.0430916139. The cubic root of 34881345 is about 326.7365664431.

The spelling of 34881345 in words is "thirty-four million, eight hundred eighty-one thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 1305 26729 80187 133645 240561 400935 775141 1202805 2325423 3875705 6976269 11627115 34881345