Base | Representation |
---|---|
bin | 10001011001101… |
… | …11111000011011 |
3 | 101011200121020001 |
4 | 20230313320123 |
5 | 244332342310 |
6 | 22252513431 |
7 | 3421550311 |
oct | 1054677033 |
9 | 334617201 |
10 | 145980955 |
11 | 7544771a |
12 | 40a7b877 |
13 | 24322783 |
14 | 155600b1 |
15 | cc3893a |
hex | 8b37e1b |
145980955 has 16 divisors (see below), whose sum is σ = 186680160. Its totient is φ = 109204992.
The previous prime is 145980943. The next prime is 145980959. The reversal of 145980955 is 559089541.
It is a cyclic number.
It is not a de Polignac number, because 145980955 - 27 = 145980827 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145980959) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7876 + ... + 18814.
It is an arithmetic number, because the mean of its divisors is an integer number (11667510).
Almost surely, 2145980955 is an apocalyptic number.
145980955 is a deficient number, since it is larger than the sum of its proper divisors (40699205).
145980955 is a wasteful number, since it uses less digits than its factorization.
145980955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11118.
The product of its (nonzero) digits is 324000, while the sum is 46.
The square root of 145980955 is about 12082.2578601849. The cubic root of 145980955 is about 526.5408459163.
The spelling of 145980955 in words is "one hundred forty-five million, nine hundred eighty thousand, nine hundred fifty-five".
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