Base | Representation |
---|---|
bin | 101001111000010… |
… | …0111110111111100 |
3 | 10121221020100200120 |
4 | 1103300213313330 |
5 | 10334221131124 |
6 | 351235254540 |
7 | 46552320555 |
oct | 12360476774 |
9 | 3557210616 |
10 | 1405255164 |
11 | 661259005 |
12 | 33274a450 |
13 | 19519b741 |
14 | d48bd32c |
15 | 83581d79 |
hex | 53c27dfc |
1405255164 has 12 divisors (see below), whose sum is σ = 3278928744. Its totient is φ = 468418384.
The previous prime is 1405255157. The next prime is 1405255171. The reversal of 1405255164 is 4615525041.
It is an interprime number because it is at equal distance from previous prime (1405255157) and next prime (1405255171).
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58552287 + ... + 58552310.
It is an arithmetic number, because the mean of its divisors is an integer number (273244062).
Almost surely, 21405255164 is an apocalyptic number.
It is an amenable number.
1405255164 is an abundant number, since it is smaller than the sum of its proper divisors (1873673580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1405255164 is a wasteful number, since it uses less digits than its factorization.
1405255164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117104604 (or 117104602 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 33.
The square root of 1405255164 is about 37486.7331732174. The cubic root of 1405255164 is about 1120.0869309651.
The spelling of 1405255164 in words is "one billion, four hundred five million, two hundred fifty-five thousand, one hundred sixty-four".
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