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214121532 = 22317843461
BaseRepresentation
bin11001100001100…
…11110000111100
3112220220111112010
430300303300330
5414303342112
633125211220
75210001012
oct1460636074
9486814463
10214121532
11aa958749
125b860b10
133548cb41
142061a8b2
1513be863c
hexcc33c3c

214121532 has 12 divisors (see below), whose sum is σ = 499616936. Its totient is φ = 71373840.

The previous prime is 214121489. The next prime is 214121543. The reversal of 214121532 is 235121412.

214121532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 214121499 and 214121508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8921719 + ... + 8921742.

Almost surely, 2214121532 is an apocalyptic number.

It is an amenable number.

214121532 is an abundant number, since it is smaller than the sum of its proper divisors (285495404).

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

214121532 is a wasteful number, since it uses less digits than its factorization.

214121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17843468 (or 17843466 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 214121532 is about 14632.8921269857. The cubic root of 214121532 is about 598.2556112055.

Adding to 214121532 its reverse (235121412), we get a palindrome (449242944).

The spelling of 214121532 in words is "two hundred fourteen million, one hundred twenty-one thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 17843461 35686922 53530383 71373844 107060766 214121532