Search a number
-
+
12028625 = 53759233
BaseRepresentation
bin101101111000…
…101011010001
3211122010011122
4231320223101
511034404000
61105452025
7204145610
oct55705321
924563148
1012028625
116876314
124041015
13265203b
141851877
1510c9085
hexb78ad1

12028625 has 32 divisors (see below), whose sum is σ = 17521920. Its totient is φ = 8073600.

The previous prime is 12028603. The next prime is 12028637. The reversal of 12028625 is 52682021.

It is not a de Polignac number, because 12028625 - 26 = 12028561 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12028594 and 12028603.

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 31 ways as a sum of consecutive naturals, for example, 51509 + ... + 51741.

It is an arithmetic number, because the mean of its divisors is an integer number (547560).

Almost surely, 212028625 is an apocalyptic number.

It is an amenable number.

12028625 is a deficient number, since it is larger than the sum of its proper divisors (5493295).

12028625 is an equidigital number, since it uses as much as digits as its factorization.

12028625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12028625 is about 3468.2308170017. The cubic root of 12028625 is about 229.1247453162.

The spelling of 12028625 in words is "twelve million, twenty-eight thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 59 125 175 233 295 413 875 1165 1475 1631 2065 5825 7375 8155 10325 13747 29125 40775 51625 68735 96229 203875 343675 481145 1718375 2405725 12028625