Base | Representation |
---|---|
bin | 101101000001000… |
… | …000110011010001 |
3 | 1221122010011201020 |
4 | 231001000303101 |
5 | 3021320141040 |
6 | 202535230053 |
7 | 24500302212 |
oct | 5501006321 |
9 | 1848104636 |
10 | 755240145 |
11 | 35834a110 |
12 | 190b18329 |
13 | c061097a |
14 | 72437409 |
15 | 46484cd0 |
hex | 2d040cd1 |
755240145 has 16 divisors (see below), whose sum is σ = 1318237632. Its totient is φ = 366176960.
The previous prime is 755240093. The next prime is 755240149. The reversal of 755240145 is 541042557.
It is not a de Polignac number, because 755240145 - 28 = 755239889 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (755240149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2288442 + ... + 2288771.
It is an arithmetic number, because the mean of its divisors is an integer number (82389852).
Almost surely, 2755240145 is an apocalyptic number.
It is an amenable number.
755240145 is a deficient number, since it is larger than the sum of its proper divisors (562997487).
755240145 is a wasteful number, since it uses less digits than its factorization.
755240145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4577232.
The product of its (nonzero) digits is 28000, while the sum is 33.
The square root of 755240145 is about 27481.6328663346. The cubic root of 755240145 is about 910.6713819345.
The spelling of 755240145 in words is "seven hundred fifty-five million, two hundred forty thousand, one hundred forty-five".
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