Base | Representation |
---|---|
bin | 10001010110000… |
… | …11111011010111 |
3 | 101010210110201101 |
4 | 20223003323113 |
5 | 244222143012 |
6 | 22234410531 |
7 | 3414531523 |
oct | 1053037327 |
9 | 333713641 |
10 | 145506007 |
11 | 751528a9 |
12 | 40890a47 |
13 | 241b753a |
14 | 15478d83 |
15 | cb92d57 |
hex | 8ac3ed7 |
145506007 has 8 divisors (see below), whose sum is σ = 149213232. Its totient is φ = 141806400.
The previous prime is 145506001. The next prime is 145506103. The reversal of 145506007 is 700605541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145506007 - 27 = 145505879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145506001) 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, 75348 + ... + 77254.
It is an arithmetic number, because the mean of its divisors is an integer number (18651654).
Almost surely, 2145506007 is an apocalyptic number.
145506007 is a deficient number, since it is larger than the sum of its proper divisors (3707225).
145506007 is a wasteful number, since it uses less digits than its factorization.
145506007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3809.
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 145506007 is about 12062.5870774059. The cubic root of 145506007 is about 525.9691932108.
The spelling of 145506007 in words is "one hundred forty-five million, five hundred six thousand, seven".
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