Base | Representation |
---|---|
bin | 11101001000110… |
… | …001110011001101 |
3 | 1021001211122221220 |
4 | 131020301303031 |
5 | 2000120343042 |
6 | 120301313553 |
7 | 15054034443 |
oct | 3510616315 |
9 | 1231748856 |
10 | 488840397 |
11 | 230a35031 |
12 | 1178658b9 |
13 | 7a378796 |
14 | 48cccb93 |
15 | 2cdb18ec |
hex | 1d231ccd |
488840397 has 16 divisors (see below), whose sum is σ = 663403968. Its totient is φ = 320100480.
The previous prime is 488840393. The next prime is 488840431. The reversal of 488840397 is 793048884.
It is not a de Polignac number, because 488840397 - 22 = 488840393 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (488840393) 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, 172998 + ... + 175800.
It is an arithmetic number, because the mean of its divisors is an integer number (41462748).
Almost surely, 2488840397 is an apocalyptic number.
It is an amenable number.
488840397 is a deficient number, since it is larger than the sum of its proper divisors (174563571).
488840397 is a wasteful number, since it uses less digits than its factorization.
488840397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3820.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The square root of 488840397 is about 22109.7353444133. The cubic root of 488840397 is about 787.7511201152.
The spelling of 488840397 in words is "four hundred eighty-eight million, eight hundred forty thousand, three hundred ninety-seven".
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