Search a number
-
+
364122221 = 3111170811
BaseRepresentation
bin10101101101000…
…001000001101101
3221101011022210012
4111231001001231
51221203402341
6100044223005
712010662551
oct2555010155
9841138705
10364122221
111775a0461
12a1b3aa65
135a58c148
1436505861
1521e780eb
hex15b4106d

364122221 has 4 divisors (see below), whose sum is σ = 365293344. Its totient is φ = 362951100.

The previous prime is 364122193. The next prime is 364122247. The reversal of 364122221 is 122221463.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 364122221 - 214 = 364105837 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 (364122281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 585095 + ... + 585716.

It is an arithmetic number, because the mean of its divisors is an integer number (91323336).

Almost surely, 2364122221 is an apocalyptic number.

It is an amenable number.

364122221 is a deficient number, since it is larger than the sum of its proper divisors (1171123).

364122221 is a wasteful number, since it uses less digits than its factorization.

364122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171122.

The product of its digits is 1152, while the sum is 23.

The square root of 364122221 is about 19081.9868200353. The cubic root of 364122221 is about 714.0836033942.

Adding to 364122221 its reverse (122221463), we get a palindrome (486343684).

It can be divided in two parts, 364 and 122221, that multiplied together give a palindrome (44488444).

The spelling of 364122221 in words is "three hundred sixty-four million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 311 1170811 364122221