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34939287 = 3229263509
BaseRepresentation
bin1000010101001…
…0000110010111
32102202002200200
42011102012113
532421024122
63244511543
7602656545
oct205220627
972662620
1034939287
11187a4449
12b84b5b3
137314246
1448d6d95
1531025ac
hex2152197

34939287 has 24 divisors (see below), whose sum is σ = 52509600. Its totient is φ = 22360128.

The previous prime is 34939273. The next prime is 34939291. The reversal of 34939287 is 78293943.

It is a happy number.

It is not a de Polignac number, because 34939287 - 210 = 34938263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34939237) 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, 68389 + ... + 68897.

It is an arithmetic number, because the mean of its divisors is an integer number (2187900).

Almost surely, 234939287 is an apocalyptic number.

34939287 is a deficient number, since it is larger than the sum of its proper divisors (17570313).

34939287 is a wasteful number, since it uses less digits than its factorization.

34939287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 804 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 34939287 is about 5910.9463709291. The cubic root of 34939287 is about 326.9173822647.

The spelling of 34939287 in words is "thirty-four million, nine hundred thirty-nine thousand, two hundred eighty-seven".

Divisors: 1 3 9 29 87 261 263 509 789 1527 2367 4581 7627 14761 22881 44283 68643 132849 133867 401601 1204803 3882143 11646429 34939287