Base | Representation |
---|---|
bin | 11101001101111… |
… | …000110011001001 |
3 | 1021011100201020212 |
4 | 131031320303021 |
5 | 2000441223120 |
6 | 120350130505 |
7 | 15101313404 |
oct | 3515706311 |
9 | 1234321225 |
10 | 490179785 |
11 | 23176a367 |
12 | 1181b0a35 |
13 | 7a727314 |
14 | 4915ad3b |
15 | 2d0786c5 |
hex | 1d378cc9 |
490179785 has 16 divisors (see below), whose sum is σ = 625968000. Its totient is φ = 367209216.
The previous prime is 490179769. The next prime is 490179787. The reversal of 490179785 is 587971094.
It is a cyclic number.
It is not a de Polignac number, because 490179785 - 24 = 490179769 is a prime.
It is a super-3 number, since 3×4901797853 (a number of 27 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (490179787) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426 + ... + 31404.
It is an arithmetic number, because the mean of its divisors is an integer number (39123000).
Almost surely, 2490179785 is an apocalyptic number.
It is an amenable number.
490179785 is a deficient number, since it is larger than the sum of its proper divisors (135788215).
490179785 is a wasteful number, since it uses less digits than its factorization.
490179785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29200.
The product of its (nonzero) digits is 635040, while the sum is 50.
The square root of 490179785 is about 22140.0041779581. The cubic root of 490179785 is about 788.4699247468.
The spelling of 490179785 in words is "four hundred ninety million, one hundred seventy-nine thousand, seven hundred eighty-five".
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