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214223669 = 1119474879
BaseRepresentation
bin11001100010011…
…00101100110101
3112221002200121222
430301030230311
5414320124134
633131320125
75210604542
oct1461145465
9487080558
10214223669
11aaa18460
125b8b0045
13354c748a
1420645bc9
1513c18a2e
hexcc4cb35

214223669 has 4 divisors (see below), whose sum is σ = 233698560. Its totient is φ = 194748780.

The previous prime is 214223663. The next prime is 214223677. The reversal of 214223669 is 966322412.

214223669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 214223669 - 28 = 214223413 is a prime.

It is a super-2 number, since 2×2142236692 = 91783560719643122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214223663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9737429 + ... + 9737450.

It is an arithmetic number, because the mean of its divisors is an integer number (58424640).

Almost surely, 2214223669 is an apocalyptic number.

It is an amenable number.

214223669 is a deficient number, since it is larger than the sum of its proper divisors (19474891).

214223669 is a wasteful number, since it uses less digits than its factorization.

214223669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19474890.

The product of its digits is 31104, while the sum is 35.

The square root of 214223669 is about 14636.3816908415. The cubic root of 214223669 is about 598.3507196854.

The spelling of 214223669 in words is "two hundred fourteen million, two hundred twenty-three thousand, six hundred sixty-nine".

Divisors: 1 11 19474879 214223669