Base | Representation |
---|---|
bin | 10001010100001… |
… | …10011100111100 |
3 | 101010022200022100 |
4 | 20222012130330 |
5 | 244141113304 |
6 | 22225145100 |
7 | 3412432434 |
oct | 1052063474 |
9 | 333280270 |
10 | 145254204 |
11 | 74aa06a7 |
12 | 4078b190 |
13 | 24129a44 |
14 | 154112c4 |
15 | cb43439 |
hex | 8a8673c |
145254204 has 36 divisors (see below), whose sum is σ = 369237960. Its totient is φ = 48145440.
The previous prime is 145254203. The next prime is 145254227. The reversal of 145254204 is 402452541.
145254204 is a `hidden beast` number, since 1 + 452 + 5 + 4 + 204 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145254203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4827 + ... + 17714.
It is an arithmetic number, because the mean of its divisors is an integer number (10256610).
Almost surely, 2145254204 is an apocalyptic number.
It is an amenable number.
145254204 is an abundant number, since it is smaller than the sum of its proper divisors (223983756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145254204 is a wasteful number, since it uses less digits than its factorization.
145254204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22730 (or 22725 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
The square root of 145254204 is about 12052.1452032408. The cubic root of 145254204 is about 525.6656156137.
The spelling of 145254204 in words is "one hundred forty-five million, two hundred fifty-four thousand, two hundred four".
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