Base | Representation |
---|---|
bin | 10001100001110… |
… | …00011101001101 |
3 | 101020122222211101 |
4 | 20300320131031 |
5 | 300120010020 |
6 | 22331223101 |
7 | 3433515250 |
oct | 1060703515 |
9 | 336588741 |
10 | 147031885 |
11 | 75aa5260 |
12 | 412a7a91 |
13 | 245ccc20 |
14 | 15755097 |
15 | cd9500a |
hex | 8c3874d |
147031885 has 64 divisors (see below), whose sum is σ = 245306880. Its totient is φ = 81607680.
The previous prime is 147031883. The next prime is 147031889. The reversal of 147031885 is 588130741.
It is not a de Polignac number, because 147031885 - 21 = 147031883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147031883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144639 + ... + 145651.
It is an arithmetic number, because the mean of its divisors is an integer number (3832920).
Almost surely, 2147031885 is an apocalyptic number.
It is an amenable number.
147031885 is a deficient number, since it is larger than the sum of its proper divisors (98274995).
147031885 is a wasteful number, since it uses less digits than its factorization.
147031885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1078.
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 147031885 is about 12125.6704969251. The cubic root of 147031885 is about 527.8013641496.
The spelling of 147031885 in words is "one hundred forty-seven million, thirty-one thousand, eight hundred eighty-five".
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