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142225300 = 225271991021
BaseRepresentation
bin10000111101000…
…10111110010100
3100220121210102201
420132202332110
5242402202200
622040214244
73344616010
oct1036427624
9326553381
10142225300
1173311a78
123b76a384
13236091a9
1414c63540
15c745c6a
hex87a2f94

142225300 has 72 divisors (see below), whose sum is σ = 354838400. Its totient is φ = 48470400.

The previous prime is 142225277. The next prime is 142225313. The reversal of 142225300 is 3522241.

142225300 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138790 + ... + 139810.

Almost surely, 2142225300 is an apocalyptic number.

142225300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142225300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177419200).

142225300 is an abundant number, since it is smaller than the sum of its proper divisors (212613100).

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

142225300 is a wasteful number, since it uses less digits than its factorization.

142225300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 142225300 is about 11925.8249190570. The cubic root of 142225300 is about 521.9861174701.

Adding to 142225300 its reverse (3522241), we get a palindrome (145747541).

The spelling of 142225300 in words is "one hundred forty-two million, two hundred twenty-five thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 199 350 398 700 796 995 1021 1393 1990 2042 2786 3980 4084 4975 5105 5572 6965 7147 9950 10210 13930 14294 19900 20420 25525 27860 28588 34825 35735 51050 69650 71470 102100 139300 142940 178675 203179 357350 406358 714700 812716 1015895 1422253 2031790 2844506 4063580 5079475 5689012 7111265 10158950 14222530 20317900 28445060 35556325 71112650 142225300