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141005228 = 22713537309
BaseRepresentation
bin10000110011110…
…01000110101100
3100211022210210212
420121321012230
5242044131403
621554121552
73331344650
oct1031710654
9324283725
10141005228
1172659351
123b2802b8
132329ca60
1414a26a60
15c5a44d8
hex86791ac

141005228 has 48 divisors (see below), whose sum is σ = 309476160. Its totient is φ = 54722304.

The previous prime is 141005209. The next prime is 141005233. The reversal of 141005228 is 822500141.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15638 + ... + 22946.

It is an arithmetic number, because the mean of its divisors is an integer number (6447420).

Almost surely, 2141005228 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 141005228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154738080).

141005228 is an abundant number, since it is smaller than the sum of its proper divisors (168470932).

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

141005228 is a wasteful number, since it uses less digits than its factorization.

141005228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386 (or 7384 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 141005228 is about 11874.5622235095. The cubic root of 141005228 is about 520.4892190826.

Adding to 141005228 its reverse (822500141), we get a palindrome (963505369).

The spelling of 141005228 in words is "one hundred forty-one million, five thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 53 91 106 182 212 364 371 689 742 1378 1484 2756 4823 7309 9646 14618 19292 29236 51163 95017 102326 190034 204652 380068 387377 665119 774754 1330238 1549508 2660476 2711639 5035901 5423278 10071802 10846556 20143604 35251307 70502614 141005228