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142412212 = 22127280339
BaseRepresentation
bin10000111110100…
…00100110110100
3100220222021211101
420133100212310
5242424142322
622044215444
73346324645
oct1037204664
9326867741
10142412212
117342a448
123b83a584
13236732a7
1414cb16cc
15c781327
hex87d09b4

142412212 has 12 divisors (see below), whose sum is σ = 251184640. Its totient is φ = 70645176.

The previous prime is 142412203. The next prime is 142412227. The reversal of 142412212 is 212214241.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 142412212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139662 + ... + 140677.

Almost surely, 2142412212 is an apocalyptic number.

It is an amenable number.

142412212 is a deficient number, since it is larger than the sum of its proper divisors (108772428).

142412212 is a wasteful number, since it uses less digits than its factorization.

142412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280470 (or 280468 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 142412212 is about 11933.6587851338. The cubic root of 142412212 is about 522.2146814933.

Adding to 142412212 its reverse (212214241), we get a palindrome (354626453).

The spelling of 142412212 in words is "one hundred forty-two million, four hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 127 254 508 280339 560678 1121356 35603053 71206106 142412212