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34272644 = 2276718269
BaseRepresentation
bin1000001010111…
…1010110000100
32101111020020012
42002233112010
532233211034
63222325352
7564212150
oct202572604
971436205
1034272644
11183895aa
12b589858
13713c993
1447a2060
15301ecce
hex20af584

34272644 has 24 divisors (see below), whose sum is σ = 69572160. Its totient is φ = 14468256.

The previous prime is 34272631. The next prime is 34272661. The reversal of 34272644 is 44627243.

It is a super-2 number, since 2×342726442 = 2349228253501472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34272644.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7259 + ... + 11010.

It is an arithmetic number, because the mean of its divisors is an integer number (2898840).

Almost surely, 234272644 is an apocalyptic number.

It is an amenable number.

34272644 is an abundant number, since it is smaller than the sum of its proper divisors (35299516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34272644 is a wasteful number, since it uses less digits than its factorization.

34272644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18347 (or 18345 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 34272644 is about 5854.2842431846. The cubic root of 34272644 is about 324.8248176212.

Adding to 34272644 its reverse (44627243), we get a palindrome (78899887).

The spelling of 34272644 in words is "thirty-four million, two hundred seventy-two thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 67 134 268 469 938 1876 18269 36538 73076 127883 255766 511532 1224023 2448046 4896092 8568161 17136322 34272644