Base | Representation |
---|---|
bin | 10001010011110… |
… | …10111101000011 |
3 | 101010020021201000 |
4 | 20221322331003 |
5 | 244133111412 |
6 | 22224143043 |
7 | 3412145223 |
oct | 1051727503 |
9 | 333207630 |
10 | 145207107 |
11 | 74a69281 |
12 | 40767a83 |
13 | 24111486 |
14 | 153dc083 |
15 | cb344dc |
hex | 8a7af43 |
145207107 has 16 divisors (see below), whose sum is σ = 215333280. Its totient is φ = 96709536.
The previous prime is 145207103. The next prime is 145207109. The reversal of 145207107 is 701702541.
It is not a de Polignac number, because 145207107 - 22 = 145207103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (145207103) 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, 35113 + ... + 39029.
It is an arithmetic number, because the mean of its divisors is an integer number (13458330).
Almost surely, 2145207107 is an apocalyptic number.
145207107 is a deficient number, since it is larger than the sum of its proper divisors (70126173).
145207107 is a wasteful number, since it uses less digits than its factorization.
145207107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5299 (or 5293 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 27.
The square root of 145207107 is about 12050.1911603094. The cubic root of 145207107 is about 525.6087958016.
Adding to 145207107 its reverse (701702541), we get a palindrome (846909648).
The spelling of 145207107 in words is "one hundred forty-five million, two hundred seven thousand, one hundred seven".
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