Search a number
-
+
12028541 = 73375099
BaseRepresentation
bin101101111000…
…101001111101
3211122010001112
4231320221331
511034403131
61105451405
7204145430
oct55705175
924563045
1012028541
116876248
124040b65
132651ca5
141851817
1510c902b
hexb78a7d

12028541 has 8 divisors (see below), whose sum is σ = 13790400. Its totient is φ = 10277568.

The previous prime is 12028531. The next prime is 12028543. The reversal of 12028541 is 14582021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12028541 - 214 = 12012157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 4908.

It is an arithmetic number, because the mean of its divisors is an integer number (1723800).

Almost surely, 212028541 is an apocalyptic number.

It is an amenable number.

12028541 is a deficient number, since it is larger than the sum of its proper divisors (1761859).

12028541 is an equidigital number, since it uses as much as digits as its factorization.

12028541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12028541 is about 3468.2187070599. The cubic root of 12028541 is about 229.1242119628.

The spelling of 12028541 in words is "twelve million, twenty-eight thousand, five hundred forty-one".

Divisors: 1 7 337 2359 5099 35693 1718363 12028541