Base | Representation |
---|---|
bin | 10001011000110… |
… | …01011010111000 |
3 | 101011110021001220 |
4 | 20230121122320 |
5 | 244314344214 |
6 | 22250112040 |
7 | 3420520455 |
oct | 1054313270 |
9 | 334407056 |
10 | 145856184 |
11 | 75371a01 |
12 | 40a1b620 |
13 | 242aaa46 |
14 | 1552a82c |
15 | cc119a9 |
hex | 8b196b8 |
145856184 has 32 divisors (see below), whose sum is σ = 368405520. Its totient is φ = 48116736.
The previous prime is 145856173. The next prime is 145856197. The reversal of 145856184 is 481658541.
It is a super-2 number, since 2×1458561842 = 42548052822083712, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 28999 + ... + 33654.
Almost surely, 2145856184 is an apocalyptic number.
It is an amenable number.
145856184 is an abundant number, since it is smaller than the sum of its proper divisors (222549336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145856184 is a wasteful number, since it uses less digits than its factorization.
145856184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62759 (or 62755 counting only the distinct ones).
The product of its digits is 153600, while the sum is 42.
The square root of 145856184 is about 12077.0933589171. The cubic root of 145856184 is about 526.3907903742.
The spelling of 145856184 in words is "one hundred forty-five million, eight hundred fifty-six thousand, one hundred eighty-four".
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