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142044304 = 2419716581
BaseRepresentation
bin10000111011101…
…10110010010000
3100220021121011011
420131312302100
5242330404204
622032300304
73343233223
oct1035666220
9326247134
10142044304
11731a8a96
123b6a1694
13235749ac
1414c175ba
15c70c304
hex8776c90

142044304 has 40 divisors (see below), whose sum is σ = 293820480. Its totient is φ = 66326400.

The previous prime is 142044281. The next prime is 142044307. The reversal of 142044304 is 403440241.

It is not an unprimeable number, because it can be changed into a prime (142044307) 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 7 ways as a sum of consecutive naturals, for example, 18294 + ... + 24874.

It is an arithmetic number, because the mean of its divisors is an integer number (7345512).

Almost surely, 2142044304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142044304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146910240).

142044304 is an abundant number, since it is smaller than the sum of its proper divisors (151776176).

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

142044304 is a wasteful number, since it uses less digits than its factorization.

142044304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679 (or 6673 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142044304 is about 11918.2340973820. The cubic root of 142044304 is about 521.7645968616.

Adding to 142044304 its reverse (403440241), we get a palindrome (545484545).

The spelling of 142044304 in words is "one hundred forty-two million, forty-four thousand, three hundred four".

Divisors: 1 2 4 8 16 19 38 71 76 142 152 284 304 568 1136 1349 2698 5396 6581 10792 13162 21584 26324 52648 105296 125039 250078 467251 500156 934502 1000312 1869004 2000624 3738008 7476016 8877769 17755538 35511076 71022152 142044304