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214231312 = 2413389457
BaseRepresentation
bin11001100010011…
…10100100010000
3112221010002010001
430301032210100
5414320400222
633131415344
75210636041
oct1461164420
9487102101
10214231312
11aaa23179
125b8b4554
13354caab9
14206488c8
1513c1ae27
hexcc4e910

214231312 has 10 divisors (see below), whose sum is σ = 415073198. Its totient is φ = 107115648.

The previous prime is 214231307. The next prime is 214231321. The reversal of 214231312 is 213132412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 198359056 + 15872256 = 14084^2 + 3984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 214231312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6694713 + ... + 6694744.

Almost surely, 2214231312 is an apocalyptic number.

It is an amenable number.

214231312 is a deficient number, since it is larger than the sum of its proper divisors (200841886).

214231312 is a wasteful number, since it uses less digits than its factorization.

214231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13389465 (or 13389459 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 214231312 is about 14636.6427844639. The cubic root of 214231312 is about 598.3578355194.

Adding to 214231312 its reverse (213132412), we get a palindrome (427363724).

The spelling of 214231312 in words is "two hundred fourteen million, two hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 13389457 26778914 53557828 107115656 214231312