Search a number
-
+
4228101 = 323712697
BaseRepresentation
bin10000001000010000000101
321221210212100
4100020100011
52040244401
6230342313
750636553
oct20102005
97853770
104228101
1124286a9
1214ba999
13b50647
147c0bd3
15587b86
hex408405

4228101 has 12 divisors (see below), whose sum is σ = 6272812. Its totient is φ = 2742336.

The previous prime is 4228099. The next prime is 4228109. The reversal of 4228101 is 1018224.

It can be written as a sum of positive squares in 2 ways, for example, as 2405601 + 1822500 = 1551^2 + 1350^2 .

It is not a de Polignac number, because 4228101 - 21 = 4228099 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6016 + ... + 6681.

Almost surely, 24228101 is an apocalyptic number.

It is an amenable number.

4228101 is a deficient number, since it is larger than the sum of its proper divisors (2044711).

4228101 is a wasteful number, since it uses less digits than its factorization.

4228101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12740 (or 12737 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4228101 is about 2056.2346655963. The cubic root of 4228101 is about 161.7018980620.

The spelling of 4228101 in words is "four million, two hundred twenty-eight thousand, one hundred one".

Divisors: 1 3 9 37 111 333 12697 38091 114273 469789 1409367 4228101