Base | Representation |
---|---|
bin | 10001010010101… |
… | …10011110000011 |
3 | 101002221200201012 |
4 | 20221112132003 |
5 | 244113321132 |
6 | 22221031135 |
7 | 3410653436 |
oct | 1051263603 |
9 | 332850635 |
10 | 145057667 |
11 | 74976a77 |
12 | 406b54ab |
13 | 2408b451 |
14 | 1539d81d |
15 | cb050b2 |
hex | 8a56783 |
145057667 has 8 divisors (see below), whose sum is σ = 147648000. Its totient is φ = 142486344.
The previous prime is 145057639. The next prime is 145057673. The reversal of 145057667 is 766750541.
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 145057667 - 222 = 140863363 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145057607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11108 + ... + 20334.
It is an arithmetic number, because the mean of its divisors is an integer number (18456000).
Almost surely, 2145057667 is an apocalyptic number.
145057667 is a deficient number, since it is larger than the sum of its proper divisors (2590333).
145057667 is an equidigital number, since it uses as much as digits as its factorization.
145057667 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9505.
The product of its (nonzero) digits is 176400, while the sum is 41.
The square root of 145057667 is about 12043.9888326086. The cubic root of 145057667 is about 525.4284236856.
The spelling of 145057667 in words is "one hundred forty-five million, fifty-seven thousand, six hundred sixty-seven".
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