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212213714 = 2523720261
BaseRepresentation
bin11001010011000…
…01111111010010
3112210022120111012
430221201333102
5413311314324
633020250522
75154533606
oct1451417722
9483276435
10212213714
11a9875339
125b0a0a42
1334c7265b
1420281506
151396d20e
hexca61fd2

212213714 has 8 divisors (see below), whose sum is σ = 318397068. Its totient is φ = 106081360.

The previous prime is 212213707. The next prime is 212213741. The reversal of 212213714 is 417312212.

It can be written as a sum of positive squares in 2 ways, for example, as 208080625 + 4133089 = 14425^2 + 2033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2122137143 (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212213714.

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, 344 + ... + 20604.

Almost surely, 2212213714 is an apocalyptic number.

212213714 is a deficient number, since it is larger than the sum of its proper divisors (106183354).

212213714 is a wasteful number, since it uses less digits than its factorization.

212213714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500.

The product of its digits is 672, while the sum is 23.

The square root of 212213714 is about 14567.5568988077. The cubic root of 212213714 is about 596.4734931533.

Adding to 212213714 its reverse (417312212), we get a palindrome (629525926).

The spelling of 212213714 in words is "two hundred twelve million, two hundred thirteen thousand, seven hundred fourteen".

Divisors: 1 2 5237 10474 20261 40522 106106857 212213714