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3928170652 = 227220041687
BaseRepresentation
bin1110101000100011…
…0010000010011100
3101010202112202002221
43222020302002130
531021102430102
61445442155124
7166225620400
oct35210620234
911122482087
103928170652
11173639382a
12917652aa4
134a7a92343
142939b7100
1517ecd7637
hexea23209c

3928170652 has 18 divisors (see below), whose sum is σ = 7996633512. Its totient is φ = 1683501624.

The previous prime is 3928170643. The next prime is 3928170677. The reversal of 3928170652 is 2560718293.

It is a junction number, because it is equal to n+sod(n) for n = 3928170599 and 3928170608.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10020648 + ... + 10021039.

Almost surely, 23928170652 is an apocalyptic number.

It is an amenable number.

3928170652 is an abundant number, since it is smaller than the sum of its proper divisors (4068462860).

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

3928170652 is a wasteful number, since it uses less digits than its factorization.

3928170652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041705 (or 20041696 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 3928170652 is about 62675.1198802204. The cubic root of 3928170652 is about 1577.8417699269.

The spelling of 3928170652 in words is "three billion, nine hundred twenty-eight million, one hundred seventy thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 20041687 40083374 80166748 140291809 280583618 561167236 982042663 1964085326 3928170652