Base | Representation |
---|---|
bin | 10111101110101… |
… | …101001001000000 |
3 | 1000202010120021020 |
4 | 113232231021000 |
5 | 1303404310423 |
6 | 103301025440 |
7 | 12602650134 |
oct | 2756551100 |
9 | 1022116236 |
10 | 398119488 |
11 | 194801078 |
12 | b13b5280 |
13 | 64633680 |
14 | 3ac353c4 |
15 | 24e414e3 |
hex | 17bad240 |
398119488 has 56 divisors (see below), whose sum is σ = 1134392448. Its totient is φ = 122497536.
The previous prime is 398119457. The next prime is 398119493. The reversal of 398119488 is 884911893.
It is a self number, because there is not a number n which added to its sum of digits gives 398119488.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77256 + ... + 82247.
It is an arithmetic number, because the mean of its divisors is an integer number (20257008).
Almost surely, 2398119488 is an apocalyptic number.
It is an amenable number.
398119488 is an abundant number, since it is smaller than the sum of its proper divisors (736272960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
398119488 is a wasteful number, since it uses less digits than its factorization.
398119488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159531 (or 159521 counting only the distinct ones).
The product of its digits is 497664, while the sum is 51.
The square root of 398119488 is about 19952.9318146482. The cubic root of 398119488 is about 735.6498413117.
The spelling of 398119488 in words is "three hundred ninety-eight million, one hundred nineteen thousand, four hundred eighty-eight".
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