Base | Representation |
---|---|
bin | 1001001001000101… |
… | …1011110111101110 |
3 | 20100000201100200210 |
4 | 2102101123313232 |
5 | 20011213403032 |
6 | 1043302403250 |
7 | 114546013434 |
oct | 22221336756 |
9 | 6300640623 |
10 | 2454044142 |
11 | 104a275760 |
12 | 585a30526 |
13 | 30155ba34 |
14 | 193ccad54 |
15 | e569e2cc |
hex | 9245bdee |
2454044142 has 128 divisors (see below), whose sum is σ = 5857505280. Its totient is φ = 677376000.
The previous prime is 2454044069. The next prime is 2454044149. The reversal of 2454044142 is 2414404542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2454044149) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3828142 + ... + 3828782.
It is an arithmetic number, because the mean of its divisors is an integer number (45761760).
Almost surely, 22454044142 is an apocalyptic number.
2454044142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2454044142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928752640).
2454044142 is an abundant number, since it is smaller than the sum of its proper divisors (3403461138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2454044142 is a wasteful number, since it uses less digits than its factorization.
2454044142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790.
The product of its (nonzero) digits is 20480, while the sum is 30.
The square root of 2454044142 is about 49538.3098419799. The cubic root of 2454044142 is about 1348.8410981600.
Adding to 2454044142 its reverse (2414404542), we get a palindrome (4868448684).
The spelling of 2454044142 in words is "two billion, four hundred fifty-four million, forty-four thousand, one hundred forty-two".
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