Base | Representation |
---|---|
bin | 10001010011100… |
… | …11010010010101 |
3 | 101010011200121211 |
4 | 20221303102111 |
5 | 244131110301 |
6 | 22223341421 |
7 | 3411654526 |
oct | 1051632225 |
9 | 333150554 |
10 | 145175701 |
11 | 74a47720 |
12 | 40751871 |
13 | 241000a8 |
14 | 153d084d |
15 | cb2a051 |
hex | 8a73495 |
145175701 has 8 divisors (see below), whose sum is σ = 165259584. Its totient is φ = 126239520.
The previous prime is 145175671. The next prime is 145175707. The reversal of 145175701 is 107571541.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145175701 - 213 = 145167509 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 (145175707) 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, 286656 + ... + 287161.
It is an arithmetic number, because the mean of its divisors is an integer number (20657448).
Almost surely, 2145175701 is an apocalyptic number.
145175701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
145175701 is a deficient number, since it is larger than the sum of its proper divisors (20083883).
145175701 is a wasteful number, since it uses less digits than its factorization.
145175701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 573851.
The product of its (nonzero) digits is 4900, while the sum is 31.
The square root of 145175701 is about 12048.8879569859. The cubic root of 145175701 is about 525.5708994470.
It can be divided in two parts, 14 and 5175701, that added together give a palindrome (5175715).
The spelling of 145175701 in words is "one hundred forty-five million, one hundred seventy-five thousand, seven hundred one".
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