Base | Representation |
---|---|
bin | 101101110101101… |
… | …0011001010111000 |
3 | 10222012011102111110 |
4 | 1123223103022320 |
5 | 11122221433433 |
6 | 412342200320 |
7 | 53054304402 |
oct | 13353231270 |
9 | 3865142443 |
10 | 1538077368 |
11 | 71a228323 |
12 | 36b1230a0 |
13 | 1b6864969 |
14 | 1083b5b72 |
15 | 9006b963 |
hex | 5bad32b8 |
1538077368 has 64 divisors (see below), whose sum is σ = 3880800000. Its totient is φ = 507969792.
The previous prime is 1538077361. The next prime is 1538077381. The reversal of 1538077368 is 8637708351.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1538077361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465708 + ... + 1466756.
It is an arithmetic number, because the mean of its divisors is an integer number (60637500).
Almost surely, 21538077368 is an apocalyptic number.
It is an amenable number.
1538077368 is an abundant number, since it is smaller than the sum of its proper divisors (2342722632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1538077368 is a wasteful number, since it uses less digits than its factorization.
1538077368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1564 (or 1560 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 48.
The square root of 1538077368 is about 39218.3294901759. The cubic root of 1538077368 is about 1154.3195752445.
The spelling of 1538077368 in words is "one billion, five hundred thirty-eight million, seventy-seven thousand, three hundred sixty-eight".
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