Base | Representation |
---|---|
bin | 10001010001111… |
… | …01110011001100 |
3 | 101002202120002201 |
4 | 20220331303030 |
5 | 244102102440 |
6 | 22214531244 |
7 | 3410053024 |
oct | 1050756314 |
9 | 332676081 |
10 | 144956620 |
11 | 74908066 |
12 | 40666b24 |
13 | 24054463 |
14 | 15374a84 |
15 | cad519a |
hex | 8a3dccc |
144956620 has 72 divisors (see below), whose sum is σ = 334212480. Its totient is φ = 52746240.
The previous prime is 144956597. The next prime is 144956621. The reversal of 144956620 is 26659441.
144956620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 144956620.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144956621) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178776 + ... + 179584.
It is an arithmetic number, because the mean of its divisors is an integer number (4641840).
Almost surely, 2144956620 is an apocalyptic number.
144956620 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 144956620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167106240).
144956620 is an abundant number, since it is smaller than the sum of its proper divisors (189255860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144956620 is a wasteful number, since it uses less digits than its factorization.
144956620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 883 (or 864 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 144956620 is about 12039.7931875926. The cubic root of 144956620 is about 525.3063910716.
It can be divided in two parts, 14495 and 6620, that added together give a triangular number (21115 = T205).
The spelling of 144956620 in words is "one hundred forty-four million, nine hundred fifty-six thousand, six hundred twenty".
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