Base | Representation |
---|---|
bin | 10001000001010… |
… | …01100110111000 |
3 | 100221122210220011 |
4 | 20200221212320 |
5 | 243022324020 |
6 | 22100111304 |
7 | 3352403530 |
oct | 1040514670 |
9 | 327583804 |
10 | 142776760 |
11 | 73659325 |
12 | 3b995534 |
13 | 237701b9 |
14 | 14d684c0 |
15 | c80435a |
hex | 88299b8 |
142776760 has 64 divisors (see below), whose sum is σ = 376125120. Its totient is φ = 47754240.
The previous prime is 142776749. The next prime is 142776763. The reversal of 142776760 is 67677241.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142776763) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5262 + ... + 17698.
It is an arithmetic number, because the mean of its divisors is an integer number (5876955).
Almost surely, 2142776760 is an apocalyptic number.
142776760 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 142776760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188062560).
142776760 is an abundant number, since it is smaller than the sum of its proper divisors (233348360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142776760 is a wasteful number, since it uses less digits than its factorization.
142776760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12496 (or 12492 counting only the distinct ones).
The product of its (nonzero) digits is 98784, while the sum is 40.
The square root of 142776760 is about 11948.9229640165. The cubic root of 142776760 is about 522.6598916963.
It can be divided in two parts, 1427 and 76760, that added together give a palindrome (78187).
The spelling of 142776760 in words is "one hundred forty-two million, seven hundred seventy-six thousand, seven hundred sixty".
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