Base | Representation |
---|---|
bin | 10001100100011… |
… | …11111011000101 |
3 | 101021100012021102 |
4 | 20302033323011 |
5 | 300212441044 |
6 | 22343025445 |
7 | 3436536614 |
oct | 1062177305 |
9 | 337305242 |
10 | 147390149 |
11 | 7621a445 |
12 | 4143b285 |
13 | 246c700a |
14 | 1580987b |
15 | ce1624e |
hex | 8c8fec5 |
147390149 has 4 divisors (see below), whose sum is σ = 147445536. Its totient is φ = 147334764.
The previous prime is 147390143. The next prime is 147390161. The reversal of 147390149 is 941093741.
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.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-147390149 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 (147390143) 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, 23489 + ... + 29094.
It is an arithmetic number, because the mean of its divisors is an integer number (36861384).
Almost surely, 2147390149 is an apocalyptic number.
It is an amenable number.
147390149 is a deficient number, since it is larger than the sum of its proper divisors (55387).
147390149 is an equidigital number, since it uses as much as digits as its factorization.
147390149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55386.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 147390149 is about 12140.4344650428. The cubic root of 147390149 is about 528.2297040120.
The spelling of 147390149 in words is "one hundred forty-seven million, three hundred ninety thousand, one hundred forty-nine".
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