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142293333 = 37132332237
BaseRepresentation
bin10000111101100…
…11100101010101
3100220202020202110
420132303211111
5242411341313
622041501233
73345321240
oct1036634525
9326666673
10142293333
11733590a6
123b7a1819
1323631150
1414c80257
15c75aec3
hex87b3955

142293333 has 32 divisors (see below), whose sum is σ = 234614016. Its totient is φ = 74700288.

The previous prime is 142293323. The next prime is 142293353. The reversal of 142293333 is 333392241.

It is not a de Polignac number, because 142293333 - 210 = 142292309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142293333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142293323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62491 + ... + 64727.

It is an arithmetic number, because the mean of its divisors is an integer number (7331688).

Almost surely, 2142293333 is an apocalyptic number.

142293333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142293333 is a deficient number, since it is larger than the sum of its proper divisors (92320683).

142293333 is a wasteful number, since it uses less digits than its factorization.

142293333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493.

The product of its digits is 11664, while the sum is 30.

The square root of 142293333 is about 11928.6769174121. The cubic root of 142293333 is about 522.0693343114.

The spelling of 142293333 in words is "one hundred forty-two million, two hundred ninety-three thousand, three hundred thirty-three".

Divisors: 1 3 7 13 21 39 91 233 273 699 1631 2237 3029 4893 6711 9087 15659 21203 29081 46977 63609 87243 203567 521221 610701 1563663 3648547 6775873 10945641 20327619 47431111 142293333