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39275289 = 3220892
BaseRepresentation
bin1001010111010…
…0101100011001
32201220101120100
42111310230121
540023302124
63521450013
7654556134
oct225645431
981811510
1039275289
1120196119
12111a0909
1381a1a21
14530521b
1536ac1c9
hex2574b19

39275289 has 9 divisors (see below), whose sum is σ = 56758143. Its totient is φ = 26170992.

The previous prime is 39275281. The next prime is 39275293. The reversal of 39275289 is 98257293.

The square root of 39275289 is 6267.

It is a perfect power (a square), and thus also a powerful number.

39275289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 4665600 = 5883^2 + 2160^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 39275289 - 23 = 39275281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39275281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17757 + ... + 19845.

Almost surely, 239275289 is an apocalyptic number.

39275289 is the 6267-th square number.

39275289 is the 3134-th centered octagonal number.

It is an amenable number.

39275289 is a deficient number, since it is larger than the sum of its proper divisors (17482854).

39275289 is an frugal number, since it uses more digits than its factorization.

39275289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184 (or 2092 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The cubic root of 39275289 is about 339.9171914826.

It can be divided in two parts, 3927 and 5289, that added together give a square (9216 = 962).

The spelling of 39275289 in words is "thirty-nine million, two hundred seventy-five thousand, two hundred eighty-nine".