Base | Representation |
---|---|
bin | 10001010111110… |
… | …01110010000000 |
3 | 101011012200022012 |
4 | 20223321302000 |
5 | 244301222332 |
6 | 22243232052 |
7 | 3416440604 |
oct | 1053716200 |
9 | 334180265 |
10 | 145726592 |
11 | 75293600 |
12 | 40978628 |
13 | 24263a6b |
14 | 154d5504 |
15 | cbd83b2 |
hex | 8af9c80 |
145726592 has 72 divisors (see below), whose sum is σ = 322429905. Its totient is φ = 65556480.
The previous prime is 145726571. The next prime is 145726631. The reversal of 145726592 is 295627541.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 145347136 + 379456 = 12056^2 + 616^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=8536.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1502288 + ... + 1502384.
Almost surely, 2145726592 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145726592
145726592 is an abundant number, since it is smaller than the sum of its proper divisors (176703313).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145726592 is an frugal number, since it uses more digits than its factorization.
145726592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230 (or 110 counting only the distinct ones).
The product of its digits is 151200, while the sum is 41.
The square root of 145726592 is about 12071.7269684167. The cubic root of 145726592 is about 526.2348462413.
The spelling of 145726592 in words is "one hundred forty-five million, seven hundred twenty-six thousand, five hundred ninety-two".
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