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212214152 = 23257103217
BaseRepresentation
bin11001010011000…
…10000110001000
3112210022121002102
430221202012020
5413311323102
633020252532
75154535103
oct1451420610
9483277072
10212214152
11a98756a7
125b0a1148
1334c72907
142028173a
151396d402
hexca62188

212214152 has 16 divisors (see below), whose sum is σ = 399453660. Its totient is φ = 105693184.

The previous prime is 212214103. The next prime is 212214157. The reversal of 212214152 is 251412212.

It can be written as a sum of positive squares in 2 ways, for example, as 212168356 + 45796 = 14566^2 + 214^2 .

It is not an unprimeable number, because it can be changed into a prime (212214157) 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, 49553 + ... + 53664.

Almost surely, 2212214152 is an apocalyptic number.

It is an amenable number.

212214152 is a deficient number, since it is larger than the sum of its proper divisors (187239508).

212214152 is a wasteful number, since it uses less digits than its factorization.

212214152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103480 (or 103476 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 212214152 is about 14567.5719322061. The cubic root of 212214152 is about 596.4739035182.

Adding to 212214152 its reverse (251412212), we get a palindrome (463626364).

The spelling of 212214152 in words is "two hundred twelve million, two hundred fourteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 257 514 1028 2056 103217 206434 412868 825736 26526769 53053538 106107076 212214152