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142233212 = 221161197269
BaseRepresentation
bin10000111101001…
…00111001111100
3100220122012021202
420132210321330
5242402430322
622040315032
73344651042
oct1036447174
9326565252
10142233212
1173317a10
123b772a78
132360c984
1414c66392
15c748292
hex87a4e7c

142233212 has 48 divisors (see below), whose sum is σ = 278419680. Its totient is φ = 63033600.

The previous prime is 142233193. The next prime is 142233227. The reversal of 142233212 is 212332241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528614 + ... + 528882.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2142233212 is an apocalyptic number.

It is an amenable number.

142233212 is a deficient number, since it is larger than the sum of its proper divisors (136186468).

142233212 is a wasteful number, since it uses less digits than its factorization.

142233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 142233212 is about 11926.1566315389. The cubic root of 142233212 is about 521.9957966612.

Adding to 142233212 its reverse (212332241), we get a palindrome (354565453).

The spelling of 142233212 in words is "one hundred forty-two million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 61 122 197 244 269 394 538 671 788 1076 1342 2167 2684 2959 4334 5918 8668 11836 12017 16409 24034 32818 48068 52993 65636 105986 132187 180499 211972 264374 360998 528748 582923 721996 1165846 2331692 3232573 6465146 12930292 35558303 71116606 142233212