Base | Representation |
---|---|
bin | 111110011110… |
… | …101000011000 |
3 | 1010211002221010 |
4 | 332132220120 |
5 | 13143102032 |
6 | 1343013520 |
7 | 256133262 |
oct | 76365030 |
9 | 33732833 |
10 | 16378392 |
11 | 9277368 |
12 | 559a2a0 |
13 | 3515b74 |
14 | 2264b32 |
15 | 1687ccc |
hex | f9ea18 |
16378392 has 32 divisors (see below), whose sum is σ = 42727680. Its totient is φ = 5221920.
The previous prime is 16378391. The next prime is 16378421. The reversal of 16378392 is 29387361.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 16378392.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16378391) 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 7 ways as a sum of consecutive naturals, for example, 14284 + ... + 15387.
It is an arithmetic number, because the mean of its divisors is an integer number (1335240).
Almost surely, 216378392 is an apocalyptic number.
16378392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
16378392 is an abundant number, since it is smaller than the sum of its proper divisors (26349288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16378392 is a wasteful number, since it uses less digits than its factorization.
16378392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29703 (or 29699 counting only the distinct ones).
The product of its digits is 54432, while the sum is 39.
The square root of 16378392 is about 4047.0226092771. The cubic root of 16378392 is about 253.9551866711.
The spelling of 16378392 in words is "sixteen million, three hundred seventy-eight thousand, three hundred ninety-two".
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