Base | Representation |
---|---|
bin | 10001011001011… |
… | …00001011110100 |
3 | 101011121011111120 |
4 | 20230230023310 |
5 | 244324324134 |
6 | 22251503540 |
7 | 3421260525 |
oct | 1054541364 |
9 | 334534446 |
10 | 145933044 |
11 | 75414724 |
12 | 40a57bb0 |
13 | 24306a1a |
14 | 1554a84c |
15 | cc29649 |
hex | 8b2c2f4 |
145933044 has 24 divisors (see below), whose sum is σ = 342769728. Its totient is φ = 48321600.
The previous prime is 145933043. The next prime is 145933057. The reversal of 145933044 is 440339541.
It is a super-2 number, since 2×1459330442 = 42592906662211872, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145932996 and 145933014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145933043) 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 7 ways as a sum of consecutive naturals, for example, 38457 + ... + 42080.
It is an arithmetic number, because the mean of its divisors is an integer number (14282072).
Almost surely, 2145933044 is an apocalyptic number.
It is an amenable number.
145933044 is an abundant number, since it is smaller than the sum of its proper divisors (196836684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145933044 is a wasteful number, since it uses less digits than its factorization.
145933044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80695 (or 80693 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 145933044 is about 12080.2749968699. The cubic root of 145933044 is about 526.4832359840.
The spelling of 145933044 in words is "one hundred forty-five million, nine hundred thirty-three thousand, forty-four".
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