Base | Representation |
---|---|
bin | 111110011111… |
… | …001101111110 |
3 | 1010211020020020 |
4 | 332133031332 |
5 | 13143141143 |
6 | 1343033010 |
7 | 256143300 |
oct | 76371576 |
9 | 33736206 |
10 | 16380798 |
11 | 9279155 |
12 | 559b766 |
13 | 3516ca5 |
14 | 2265970 |
15 | 1688883 |
hex | f9f37e |
16380798 has 24 divisors (see below), whose sum is σ = 38111112. Its totient is φ = 4680144.
The previous prime is 16380787. The next prime is 16380799. The reversal of 16380798 is 89708361.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16380799) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27565 + ... + 28152.
It is an arithmetic number, because the mean of its divisors is an integer number (1587963).
Almost surely, 216380798 is an apocalyptic number.
16380798 is an abundant number, since it is smaller than the sum of its proper divisors (21730314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16380798 is a wasteful number, since it uses less digits than its factorization.
16380798 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55736 (or 55729 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 16380798 is about 4047.3198539280. The cubic root of 16380798 is about 253.9676214747.
The spelling of 16380798 in words is "sixteen million, three hundred eighty thousand, seven hundred ninety-eight".
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