Base | Representation |
---|---|
bin | 10001010000001… |
… | …01010110011000 |
3 | 101002022210221000 |
4 | 20220011112120 |
5 | 244022203100 |
6 | 22205545000 |
7 | 3405100641 |
oct | 1050052630 |
9 | 332283830 |
10 | 144725400 |
11 | 7476a376 |
12 | 40575160 |
13 | 23ca3141 |
14 | 153146c8 |
15 | ca8b900 |
hex | 8a05598 |
144725400 has 96 divisors (see below), whose sum is σ = 498517200. Its totient is φ = 38592000.
The previous prime is 144725363. The next prime is 144725423. The reversal of 144725400 is 4527441.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent 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, 8001 + ... + 18800.
Almost surely, 2144725400 is an apocalyptic number.
144725400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144725400 is an abundant number, since it is smaller than the sum of its proper divisors (353791800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144725400 is a wasteful number, since it uses less digits than its factorization.
144725400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26826 (or 26811 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 144725400 is about 12030.1870309651. The cubic root of 144725400 is about 525.0269373933.
The spelling of 144725400 in words is "one hundred forty-four million, seven hundred twenty-five thousand, four hundred".
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