Base | Representation |
---|---|
bin | 10001010010011… |
… | …00010010010000 |
3 | 101002212120111012 |
4 | 20221030102100 |
5 | 244111002302 |
6 | 22220110052 |
7 | 3410421014 |
oct | 1051142220 |
9 | 332776435 |
10 | 145015952 |
11 | 749486a4 |
12 | 40695328 |
13 | 24075473 |
14 | 1538c544 |
15 | cae7a52 |
hex | 8a4c490 |
145015952 has 40 divisors (see below), whose sum is σ = 289877280. Its totient is φ = 70237440.
The previous prime is 145015919. The next prime is 145015963. The reversal of 145015952 is 259510541.
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, 89324 + ... + 90932.
It is an arithmetic number, because the mean of its divisors is an integer number (7246932).
Almost surely, 2145015952 is an apocalyptic number.
It is an amenable number.
145015952 is a deficient number, since it is larger than the sum of its proper divisors (144861328).
145015952 is a wasteful number, since it uses less digits than its factorization.
145015952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1791 (or 1785 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 32.
The square root of 145015952 is about 12042.2569313231. The cubic root of 145015952 is about 525.3780521138.
The spelling of 145015952 in words is "one hundred forty-five million, fifteen thousand, nine hundred fifty-two".
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