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212142314 = 2106071157
BaseRepresentation
bin11001010010100…
…00100011101010
3112210011221112202
430221100203222
5413302023224
633014540202
75154115466
oct1451204352
9483157482
10212142314
11a982672a
125b067662
1334c48cc7
14202634a6
1513956eae
hexca508ea

212142314 has 4 divisors (see below), whose sum is σ = 318213474. Its totient is φ = 106071156.

The previous prime is 212142313. The next prime is 212142377. The reversal of 212142314 is 413241212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116748025 + 95394289 = 10805^2 + 9767^2 .

It is a super-2 number, since 2×2121423142 = 90008722778549192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212142311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53035577 + ... + 53035580.

Almost surely, 2212142314 is an apocalyptic number.

212142314 is a deficient number, since it is larger than the sum of its proper divisors (106071160).

212142314 is a wasteful number, since it uses less digits than its factorization.

212142314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106071159.

The product of its digits is 384, while the sum is 20.

The square root of 212142314 is about 14565.1060414952. The cubic root of 212142314 is about 596.4065904952.

Adding to 212142314 its reverse (413241212), we get a palindrome (625383526).

The spelling of 212142314 in words is "two hundred twelve million, one hundred forty-two thousand, three hundred fourteen".

Divisors: 1 2 106071157 212142314