Base | Representation |
---|---|
bin | 10001010111010… |
… | …00010010010000 |
3 | 101011002000222222 |
4 | 20223220102100 |
5 | 244241424203 |
6 | 22241520212 |
7 | 3416021636 |
oct | 1053502220 |
9 | 334060888 |
10 | 145654928 |
11 | 75244781 |
12 | 40943068 |
13 | 2423a263 |
14 | 154b7356 |
15 | cbc2038 |
hex | 8ae8490 |
145654928 has 40 divisors (see below), whose sum is σ = 287198136. Its totient is φ = 71552000.
The previous prime is 145654921. The next prime is 145654961. The reversal of 145654928 is 829456541.
It can be written as a sum of positive squares in 4 ways, for example, as 77228944 + 68425984 = 8788^2 + 8272^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145654921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279308 + ... + 279828.
Almost surely, 2145654928 is an apocalyptic number.
It is an amenable number.
145654928 is a deficient number, since it is larger than the sum of its proper divisors (141543208).
145654928 is a wasteful number, since it uses less digits than its factorization.
145654928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 803 (or 797 counting only the distinct ones).
The product of its digits is 345600, while the sum is 44.
The square root of 145654928 is about 12068.7583454140. The cubic root of 145654928 is about 526.1485698862.
The spelling of 145654928 in words is "one hundred forty-five million, six hundred fifty-four thousand, nine hundred twenty-eight".
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