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214523420 = 22510726171
BaseRepresentation
bin11001100100101…
…01111000011100
3112221122220210212
430302111320130
5414404222140
633141551552
75213263466
oct1462257034
9487586725
10214523420
11100102691
125ba155b8
13355a0a47
14206c3136
1513c77765
hexcc95e1c

214523420 has 12 divisors (see below), whose sum is σ = 450499224. Its totient is φ = 85809360.

The previous prime is 214523401. The next prime is 214523429. The reversal of 214523420 is 24325412.

It is a happy number.

214523420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214523429) 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, 5363066 + ... + 5363105.

It is an arithmetic number, because the mean of its divisors is an integer number (37541602).

Almost surely, 2214523420 is an apocalyptic number.

214523420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214523420 is an abundant number, since it is smaller than the sum of its proper divisors (235975804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214523420 is a wasteful number, since it uses less digits than its factorization.

214523420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726180 (or 10726178 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 214523420 is about 14646.6180396705. The cubic root of 214523420 is about 598.6296690005.

Adding to 214523420 its reverse (24325412), we get a palindrome (238848832).

The spelling of 214523420 in words is "two hundred fourteen million, five hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 10726171 21452342 42904684 53630855 107261710 214523420