Base | Representation |
---|---|
bin | 10001010101010… |
… | …00111100110011 |
3 | 101010120212010210 |
4 | 20222220330303 |
5 | 244210124012 |
6 | 22232155203 |
7 | 3413561415 |
oct | 1052507463 |
9 | 333525123 |
10 | 145395507 |
11 | 75087884 |
12 | 40838b03 |
13 | 2417915a |
14 | 1544a9b5 |
15 | cb7023c |
hex | 8aa8f33 |
145395507 has 8 divisors (see below), whose sum is σ = 194493376. Its totient is φ = 96613992.
The previous prime is 145395493. The next prime is 145395517. The reversal of 145395507 is 705593541.
145395507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145395507 - 27 = 145395379 is a prime.
It is a super-3 number, since 3×1453955073 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145395517) 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, 78013 + ... + 79854.
It is an arithmetic number, because the mean of its divisors is an integer number (24311672).
Almost surely, 2145395507 is an apocalyptic number.
145395507 is a deficient number, since it is larger than the sum of its proper divisors (49097869).
145395507 is a wasteful number, since it uses less digits than its factorization.
145395507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158177.
The product of its (nonzero) digits is 94500, while the sum is 39.
The square root of 145395507 is about 12058.0059296718. The cubic root of 145395507 is about 525.8360158582.
The spelling of 145395507 in words is "one hundred forty-five million, three hundred ninety-five thousand, five hundred seven".
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