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142304330 = 2572833499
BaseRepresentation
bin10000111101101…
…10010001001010
3100220202210211202
420132312101022
5242412214310
622042024202
73345365300
oct1036662112
9326683752
10142304330
1173366393
123b7a8062
132363615c
1414c84270
15c75e3a5
hex87b644a

142304330 has 48 divisors (see below), whose sum is σ = 301644000. Its totient is φ = 48188448.

The previous prime is 142304299. The next prime is 142304333. The reversal of 142304330 is 33403241.

It is not an unprimeable number, because it can be changed into a prime (142304333) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 38921 + ... + 42419.

It is an arithmetic number, because the mean of its divisors is an integer number (6284250).

Almost surely, 2142304330 is an apocalyptic number.

142304330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142304330 is an abundant number, since it is smaller than the sum of its proper divisors (159339670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142304330 is a wasteful number, since it uses less digits than its factorization.

142304330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 142304330 is about 11929.1378565259. The cubic root of 142304330 is about 522.0827831696.

Adding to 142304330 its reverse (33403241), we get a palindrome (175707571).

The spelling of 142304330 in words is "one hundred forty-two million, three hundred four thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 83 98 166 245 415 490 581 830 1162 2905 3499 4067 5810 6998 8134 17495 20335 24493 34990 40670 48986 122465 171451 244930 290417 342902 580834 857255 1452085 1714510 2032919 2904170 4065838 10164595 14230433 20329190 28460866 71152165 142304330