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39628053 = 3219212197
BaseRepresentation
bin1001011100101…
…0110100010101
32202120022110200
42113022310111
540121044203
63533211113
7660555453
oct227126425
982508420
1039628053
1120407163
1211330a99
13829646a
1453979d3
15372b9a3
hex25cad15

39628053 has 18 divisors (see below), whose sum is σ = 60416694. Its totient is φ = 25026192.

The previous prime is 39628049. The next prime is 39628079. The reversal of 39628053 is 35082693.

39628053 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., 36505764 + 3122289 = 6042^2 + 1767^2 .

It is not a de Polignac number, because 39628053 - 22 = 39628049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39627999 and 39628017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39628093) 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 17 ways as a sum of consecutive naturals, for example, 2850 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (3356483).

Almost surely, 239628053 is an apocalyptic number.

It is an amenable number.

39628053 is a deficient number, since it is larger than the sum of its proper divisors (20788641).

39628053 is a wasteful number, since it uses less digits than its factorization.

39628053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241 (or 12219 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 39628053 is about 6295.0816515753. The cubic root of 39628053 is about 340.9318525796.

The spelling of 39628053 in words is "thirty-nine million, six hundred twenty-eight thousand, fifty-three".

Divisors: 1 3 9 19 57 171 361 1083 3249 12197 36591 109773 231743 695229 2085687 4403117 13209351 39628053