Base | Representation |
---|---|
bin | 10000011101000… |
… | …01100111001000 |
3 | 100121201102021110 |
4 | 20032201213020 |
5 | 240313303131 |
6 | 21410210320 |
7 | 3264124314 |
oct | 1016414710 |
9 | 317642243 |
10 | 138025416 |
11 | 70a035a1 |
12 | 3a2839a0 |
13 | 22798659 |
14 | 1448cb44 |
15 | c1b6646 |
hex | 83a19c8 |
138025416 has 16 divisors (see below), whose sum is σ = 345063600. Its totient is φ = 46008464.
The previous prime is 138025411. The next prime is 138025441. The reversal of 138025416 is 614520831.
It is not an unprimeable number, because it can be changed into a prime (138025411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875506 + ... + 2875553.
It is an arithmetic number, because the mean of its divisors is an integer number (21566475).
Almost surely, 2138025416 is an apocalyptic number.
It is an amenable number.
138025416 is an abundant number, since it is smaller than the sum of its proper divisors (207038184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138025416 is a wasteful number, since it uses less digits than its factorization.
138025416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5751068 (or 5751064 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 138025416 is about 11748.4218514658. The cubic root of 138025416 is about 516.7966481617.
It can be divided in two parts, 1380 and 25416, that added together give a triangular number (26796 = T231).
The spelling of 138025416 in words is "one hundred thirty-eight million, twenty-five thousand, four hundred sixteen".
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