Base | Representation |
---|---|
bin | 11101001100001… |
… | …010101111000111 |
3 | 1021010111210211220 |
4 | 131030022233013 |
5 | 2000332311332 |
6 | 120332331423 |
7 | 15064425150 |
oct | 3514125707 |
9 | 1233453756 |
10 | 489728967 |
11 | 231491692 |
12 | 118013b73 |
13 | 7a5ca070 |
14 | 49080927 |
15 | 2ced9d2c |
hex | 1d30abc7 |
489728967 has 32 divisors (see below), whose sum is σ = 813378048. Its totient is φ = 255194496.
The previous prime is 489728947. The next prime is 489728977. The reversal of 489728967 is 769827984.
It is not a de Polignac number, because 489728967 - 214 = 489712583 is a prime.
It is a super-2 number, since 2×4897289672 = 479668922237774178, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 489728967.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489728927) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11853 + ... + 33465.
It is an arithmetic number, because the mean of its divisors is an integer number (25418064).
Almost surely, 2489728967 is an apocalyptic number.
489728967 is a deficient number, since it is larger than the sum of its proper divisors (323649081).
489728967 is a wasteful number, since it uses less digits than its factorization.
489728967 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21719.
The product of its digits is 12192768, while the sum is 60.
The square root of 489728967 is about 22129.8207629434. The cubic root of 489728967 is about 788.2281321962.
The spelling of 489728967 in words is "four hundred eighty-nine million, seven hundred twenty-eight thousand, nine hundred sixty-seven".
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