Base | Representation |
---|---|
bin | 1000110001000… |
… | …10011000011001 |
3 | 12010101021111010 |
4 | 10120202120121 |
5 | 122311304040 |
6 | 11144124133 |
7 | 1552042446 |
oct | 430423031 |
9 | 163337433 |
10 | 73541145 |
11 | 3856a607 |
12 | 20766649 |
13 | 1230b592 |
14 | 9aa49cd |
15 | 66c9e80 |
hex | 4622619 |
73541145 has 32 divisors (see below), whose sum is σ = 122895360. Its totient is φ = 37509120.
The previous prime is 73541131. The next prime is 73541159. The reversal of 73541145 is 54114537.
It is an interprime number because it is at equal distance from previous prime (73541131) and next prime (73541159).
It is not a de Polignac number, because 73541145 - 25 = 73541113 is a prime.
It is a super-2 number, since 2×735411452 = 10816600015822050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40497 + ... + 42273.
It is an arithmetic number, because the mean of its divisors is an integer number (3840480).
Almost surely, 273541145 is an apocalyptic number.
It is an amenable number.
73541145 is a deficient number, since it is larger than the sum of its proper divisors (49354215).
73541145 is a wasteful number, since it uses less digits than its factorization.
73541145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1905.
The product of its digits is 8400, while the sum is 30.
The square root of 73541145 is about 8575.6133891402. The cubic root of 73541145 is about 418.9640853771.
The spelling of 73541145 in words is "seventy-three million, five hundred forty-one thousand, one hundred forty-five".
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