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214325231 = 457468983
BaseRepresentation
bin11001100011001…
…01011111101111
3112221021211221112
430301211133233
5414331401411
633133422235
75211506621
oct1461453757
9487254845
10214325231
11aaa8779a
125b93a97b
1335531783
1420670c11
1513c38b8b
hexcc657ef

214325231 has 4 divisors (see below), whose sum is σ = 214794672. Its totient is φ = 213855792.

The previous prime is 214325219. The next prime is 214325233. The reversal of 214325231 is 132523412.

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

It is a cyclic number.

It is not a de Polignac number, because 214325231 - 210 = 214324207 is a prime.

It is a super-2 number, since 2×2143252312 = 91870609286406722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214325197 and 214325206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214325233) 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, 234035 + ... + 234948.

It is an arithmetic number, because the mean of its divisors is an integer number (53698668).

Almost surely, 2214325231 is an apocalyptic number.

214325231 is a deficient number, since it is larger than the sum of its proper divisors (469441).

214325231 is an equidigital number, since it uses as much as digits as its factorization.

214325231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469440.

The product of its digits is 1440, while the sum is 23.

The square root of 214325231 is about 14639.8507847587. The cubic root of 214325231 is about 598.4452627629.

Adding to 214325231 its reverse (132523412), we get a palindrome (346848643).

The spelling of 214325231 in words is "two hundred fourteen million, three hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 457 468983 214325231