Base | Representation |
---|---|
bin | 1000101101111… |
… | …01000111001101 |
3 | 12002121012111022 |
4 | 10112331013031 |
5 | 122210020344 |
6 | 11131203525 |
7 | 1545364232 |
oct | 426750715 |
9 | 162535438 |
10 | 73126349 |
11 | 383069aa |
12 | 205a65a5 |
13 | 121c483a |
14 | 99d7789 |
15 | 66470ee |
hex | 45bd1cd |
73126349 has 4 divisors (see below), whose sum is σ = 73505436. Its totient is φ = 72747264.
The previous prime is 73126327. The next prime is 73126387. The reversal of 73126349 is 94362137.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94362137 = 8387 ⋅11251.
It can be written as a sum of positive squares in 2 ways, for example, as 23522500 + 49603849 = 4850^2 + 7043^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-73126349 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 (73126399) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189254 + ... + 189639.
It is an arithmetic number, because the mean of its divisors is an integer number (18376359).
Almost surely, 273126349 is an apocalyptic number.
It is an amenable number.
73126349 is a deficient number, since it is larger than the sum of its proper divisors (379087).
73126349 is a wasteful number, since it uses less digits than its factorization.
73126349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379086.
The product of its digits is 27216, while the sum is 35.
The square root of 73126349 is about 8551.3945646310. The cubic root of 73126349 is about 418.1749018146.
The spelling of 73126349 in words is "seventy-three million, one hundred twenty-six thousand, three hundred forty-nine".
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