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212442344 = 23195872381
BaseRepresentation
bin11001010100110…
…01110011101000
3112210202012002222
430222121303220
5413341123334
633025213212
75156505302
oct1452316350
9483665088
10212442344
11a9a11094
125b191208
133502273a
1420300972
15139b5d2e
hexca99ce8

212442344 has 32 divisors (see below), whose sum is σ = 420184800. Its totient is φ = 100416960.

The previous prime is 212442343. The next prime is 212442359. The reversal of 212442344 is 443244212.

It is a happy number.

212442344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212442343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88034 + ... + 90414.

It is an arithmetic number, because the mean of its divisors is an integer number (13130775).

Almost surely, 2212442344 is an apocalyptic number.

It is an amenable number.

212442344 is a deficient number, since it is larger than the sum of its proper divisors (207742456).

212442344 is a wasteful number, since it uses less digits than its factorization.

212442344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2989 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 212442344 is about 14575.4020184693. The cubic root of 212442344 is about 596.6876213039.

Adding to 212442344 its reverse (443244212), we get a palindrome (655686556).

The spelling of 212442344 in words is "two hundred twelve million, four hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 587 1174 2348 2381 4696 4762 9524 11153 19048 22306 44612 45239 89224 90478 180956 361912 1397647 2795294 5590588 11181176 26555293 53110586 106221172 212442344