Base | Representation |
---|---|
bin | 10001010100001… |
… | …00101110111111 |
3 | 101010022022122201 |
4 | 20222010232333 |
5 | 244140402132 |
6 | 22225052331 |
7 | 3412403062 |
oct | 1052045677 |
9 | 333268581 |
10 | 145247167 |
11 | 74a9638a |
12 | 407870a7 |
13 | 24126790 |
14 | 1540c8d9 |
15 | cb412e7 |
hex | 8a84bbf |
145247167 has 32 divisors (see below), whose sum is σ = 173638080. Its totient is φ = 120207360.
The previous prime is 145247119. The next prime is 145247197. The reversal of 145247167 is 761742541.
It is not a de Polignac number, because 145247167 - 211 = 145245119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145247117) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839493 + ... + 839665.
It is an arithmetic number, because the mean of its divisors is an integer number (5426190).
Almost surely, 2145247167 is an apocalyptic number.
145247167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
145247167 is a deficient number, since it is larger than the sum of its proper divisors (28390913).
145247167 is a wasteful number, since it uses less digits than its factorization.
145247167 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 363.
The product of its digits is 47040, while the sum is 37.
The square root of 145247167 is about 12051.8532599762. The cubic root of 145247167 is about 525.6571266599.
The spelling of 145247167 in words is "one hundred forty-five million, two hundred forty-seven thousand, one hundred sixty-seven".
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