Base | Representation |
---|---|
bin | 10001001110001… |
… | …01000010010010 |
3 | 101001211102120100 |
4 | 20213011002102 |
5 | 243440240340 |
6 | 22200153230 |
7 | 3402622632 |
oct | 1047050222 |
9 | 331742510 |
10 | 144461970 |
11 | 745aa464 |
12 | 40468816 |
13 | 23c10273 |
14 | 152866c2 |
15 | ca38830 |
hex | 89c5092 |
144461970 has 48 divisors (see below), whose sum is σ = 377050752. Its totient is φ = 38374560.
The previous prime is 144461957. The next prime is 144461981. The reversal of 144461970 is 79164441.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21429 + ... + 27351.
It is an arithmetic number, because the mean of its divisors is an integer number (7855224).
Almost surely, 2144461970 is an apocalyptic number.
144461970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144461970 is an abundant number, since it is smaller than the sum of its proper divisors (232588782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144461970 is a wasteful number, since it uses less digits than its factorization.
144461970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6207 (or 6204 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 144461970 is about 12019.2333366151. The cubic root of 144461970 is about 524.7081915770.
The spelling of 144461970 in words is "one hundred forty-four million, four hundred sixty-one thousand, nine hundred seventy".
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