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426212 = 22127839
BaseRepresentation
bin1101000000011100100
3210122122122
41220003210
5102114322
613045112
73423413
oct1500344
9718578
10426212
11271246
12186798
1311bcc7
14b147a
1586442
hex680e4

426212 has 12 divisors (see below), whose sum is σ = 752640. Its totient is φ = 211176.

The previous prime is 426211. The next prime is 426229. The reversal of 426212 is 212624.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (426211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (62720).

2426212 is an apocalyptic number.

It is an amenable number.

426212 is a deficient number, since it is larger than the sum of its proper divisors (326428).

426212 is a wasteful number, since it uses less digits than its factorization.

426212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 426212 is about 652.8491403073. The cubic root of 426212 is about 75.2561316990.

Adding to 426212 its reverse (212624), we get a palindrome (638836).

The spelling of 426212 in words is "four hundred twenty-six thousand, two hundred twelve".

Divisors: 1 2 4 127 254 508 839 1678 3356 106553 213106 426212