Base | Representation |
---|---|
bin | 10111101110100… |
… | …000110110101000 |
3 | 1000202001000020020 |
4 | 113232200312220 |
5 | 1303401203120 |
6 | 103300000440 |
7 | 12602350326 |
oct | 2756406650 |
9 | 1022030206 |
10 | 398069160 |
11 | 194777285 |
12 | b1390120 |
13 | 646167a8 |
14 | 3ac20d16 |
15 | 24e31640 |
hex | 17ba0da8 |
398069160 has 32 divisors (see below), whose sum is σ = 1194207840. Its totient is φ = 106151744.
The previous prime is 398069153. The next prime is 398069197. The reversal of 398069160 is 61960893.
It is a super-2 number, since 2×3980691602 = 316918112286211200, which contains 22 as substring.
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, 1658502 + ... + 1658741.
It is an arithmetic number, because the mean of its divisors is an integer number (37318995).
Almost surely, 2398069160 is an apocalyptic number.
398069160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
398069160 is an abundant number, since it is smaller than the sum of its proper divisors (796138680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
398069160 is a wasteful number, since it uses less digits than its factorization.
398069160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3317257 (or 3317253 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 42.
The square root of 398069160 is about 19951.6706067437. The cubic root of 398069160 is about 735.6188411166.
The spelling of 398069160 in words is "three hundred ninety-eight million, sixty-nine thousand, one hundred sixty".
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