Base | Representation |
---|---|
bin | 10001011001000… |
… | …00101101001101 |
3 | 101011111210000021 |
4 | 20230200231031 |
5 | 244321323104 |
6 | 22250502141 |
7 | 3421003462 |
oct | 1054405515 |
9 | 334453007 |
10 | 145886029 |
11 | 75392373 |
12 | 40a34951 |
13 | 242bb4c3 |
14 | 15537669 |
15 | cc1a754 |
hex | 8b20b4d |
145886029 has 4 divisors (see below), whose sum is σ = 147643776. Its totient is φ = 144128284.
The previous prime is 145885997. The next prime is 145886107. The reversal of 145886029 is 920688541.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 920688541 = 23027 ⋅39983.
It is a cyclic number.
It is not a de Polignac number, because 145886029 - 25 = 145885997 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 (145886329) 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, 878749 + ... + 878914.
It is an arithmetic number, because the mean of its divisors is an integer number (36910944).
Almost surely, 2145886029 is an apocalyptic number.
It is an amenable number.
145886029 is a deficient number, since it is larger than the sum of its proper divisors (1757747).
145886029 is an equidigital number, since it uses as much as digits as its factorization.
145886029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1757746.
The product of its (nonzero) digits is 138240, while the sum is 43.
The square root of 145886029 is about 12078.3288993138. The cubic root of 145886029 is about 526.4266911757.
The spelling of 145886029 in words is "one hundred forty-five million, eight hundred eighty-six thousand, twenty-nine".
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