Base | Representation |
---|---|
bin | 10001010010100… |
… | …01110110100100 |
3 | 101002220201202210 |
4 | 20221101312210 |
5 | 244112220011 |
6 | 22220403420 |
7 | 3410544342 |
oct | 1051216644 |
9 | 332821683 |
10 | 145038756 |
11 | 74963845 |
12 | 406a6570 |
13 | 24082965 |
14 | 15396992 |
15 | caee6a6 |
hex | 8a51da4 |
145038756 has 24 divisors (see below), whose sum is σ = 344161440. Its totient is φ = 47526592.
The previous prime is 145038737. The next prime is 145038787. The reversal of 145038756 is 657830541.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101721 + ... + 103136.
It is an arithmetic number, because the mean of its divisors is an integer number (14340060).
Almost surely, 2145038756 is an apocalyptic number.
It is an amenable number.
145038756 is an abundant number, since it is smaller than the sum of its proper divisors (199122684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145038756 is a wasteful number, since it uses less digits than its factorization.
145038756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204923 (or 204921 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 39.
The square root of 145038756 is about 12043.2037265837. The cubic root of 145038756 is about 525.4055895284.
The spelling of 145038756 in words is "one hundred forty-five million, thirty-eight thousand, seven hundred fifty-six".
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