Base | Representation |
---|---|
bin | 10001001111110… |
… | …00010011010000 |
3 | 101002020002121110 |
4 | 20213320103100 |
5 | 244014000302 |
6 | 22204453320 |
7 | 3404456055 |
oct | 1047702320 |
9 | 332202543 |
10 | 144671952 |
11 | 747331a7 |
12 | 4054a240 |
13 | 23c84a09 |
14 | 152dd02c |
15 | ca7ab6c |
hex | 89f84d0 |
144671952 has 80 divisors (see below), whose sum is σ = 395778240. Its totient is φ = 45459456.
The previous prime is 144671897. The next prime is 144671983. The reversal of 144671952 is 259176441.
It is a self number, because there is not a number n which added to its sum of digits gives 144671952.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58648 + ... + 61064.
It is an arithmetic number, because the mean of its divisors is an integer number (4947228).
Almost surely, 2144671952 is an apocalyptic number.
144671952 is a gapful number since it is divisible by the number (12) 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 144671952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197889120).
144671952 is an abundant number, since it is smaller than the sum of its proper divisors (251106288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144671952 is a wasteful number, since it uses less digits than its factorization.
144671952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500 (or 2494 counting only the distinct ones).
The product of its digits is 60480, while the sum is 39.
The square root of 144671952 is about 12027.9654139842. The cubic root of 144671952 is about 524.9622975192.
The spelling of 144671952 in words is "one hundred forty-four million, six hundred seventy-one thousand, nine hundred fifty-two".
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