Search a number
-
+
30214201 = 291041869
BaseRepresentation
bin111001101000…
…0100000111001
32002212001002111
41303100200321
530213323301
62555332321
7514550023
oct163204071
962761074
1030214201
1116067416
12a1510a1
13634b634
144027013
1529bc551
hex1cd0839

30214201 has 4 divisors (see below), whose sum is σ = 31256100. Its totient is φ = 29172304.

The previous prime is 30214193. The next prime is 30214207. The reversal of 30214201 is 10241203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6943225 + 23270976 = 2635^2 + 4824^2 .

It is a cyclic number.

It is not a de Polignac number, because 30214201 - 23 = 30214193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30214207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520906 + ... + 520963.

It is an arithmetic number, because the mean of its divisors is an integer number (7814025).

Almost surely, 230214201 is an apocalyptic number.

It is an amenable number.

30214201 is a deficient number, since it is larger than the sum of its proper divisors (1041899).

30214201 is a wasteful number, since it uses less digits than its factorization.

30214201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041898.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30214201 is about 5496.7445820231. The cubic root of 30214201 is about 311.4610222557.

Adding to 30214201 its reverse (10241203), we get a palindrome (40455404).

The spelling of 30214201 in words is "thirty million, two hundred fourteen thousand, two hundred one".

Divisors: 1 29 1041869 30214201