Search a number
-
+
214211401 = 1671282703
BaseRepresentation
bin11001100010010…
…01101101001001
3112221002001210121
430301021231021
5414314231101
633131143241
75210524015
oct1461115511
9487061717
10214211401
11aaa0a218
125b8a4b21
13354c1a11
1420641545
1513c150a1
hexcc49b49

214211401 has 4 divisors (see below), whose sum is σ = 215494272. Its totient is φ = 212928532.

The previous prime is 214211381. The next prime is 214211411. The reversal of 214211401 is 104112412.

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 214211401 - 25 = 214211369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214211411) 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, 641185 + ... + 641518.

It is an arithmetic number, because the mean of its divisors is an integer number (53873568).

Almost surely, 2214211401 is an apocalyptic number.

It is an amenable number.

214211401 is a deficient number, since it is larger than the sum of its proper divisors (1282871).

214211401 is a wasteful number, since it uses less digits than its factorization.

214211401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282870.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 214211401 is about 14635.9625921905. The cubic root of 214211401 is about 598.3392975010.

Adding to 214211401 its reverse (104112412), we get a palindrome (318323813).

It can be divided in two parts, 21421 and 1401, that added together give a palindrome (22822).

The spelling of 214211401 in words is "two hundred fourteen million, two hundred eleven thousand, four hundred one".

Divisors: 1 167 1282703 214211401