Base | Representation |
---|---|
bin | 10001010101110… |
… | …11011000110110 |
3 | 101010201200201221 |
4 | 20222323120312 |
5 | 244220033110 |
6 | 22233540554 |
7 | 3414324535 |
oct | 1052733066 |
9 | 333650657 |
10 | 145471030 |
11 | 751295a1 |
12 | 4087475a |
13 | 241a4643 |
14 | 1546a31c |
15 | cb877da |
hex | 8abb636 |
145471030 has 32 divisors (see below), whose sum is σ = 276300000. Its totient is φ = 54991872.
The previous prime is 145470979. The next prime is 145471033. The reversal of 145471030 is 30174541.
It is a junction number, because it is equal to n+sod(n) for n = 145470986 and 145471004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145471033) 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, 115846 + ... + 117094.
It is an arithmetic number, because the mean of its divisors is an integer number (8634375).
Almost surely, 2145471030 is an apocalyptic number.
145471030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145471030 is a deficient number, since it is larger than the sum of its proper divisors (130828970).
145471030 is a wasteful number, since it uses less digits than its factorization.
145471030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1888.
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 145471030 is about 12061.1371769000. The cubic root of 145471030 is about 525.9270453547.
The spelling of 145471030 in words is "one hundred forty-five million, four hundred seventy-one thousand, thirty".
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