Base | Representation |
---|---|
bin | 10011101110111… |
… | …101100111000000 |
3 | 212001222111202010 |
4 | 103232331213000 |
5 | 1134223444310 |
6 | 52504052520 |
7 | 11130055134 |
oct | 2356754700 |
9 | 761874663 |
10 | 331078080 |
11 | 15a980953 |
12 | 92a64140 |
13 | 5378c6b8 |
14 | 31d833c4 |
15 | 1e0ec320 |
hex | 13bbd9c0 |
331078080 has 56 divisors (see below), whose sum is σ = 1051175952. Its totient is φ = 88287232.
The previous prime is 331078079. The next prime is 331078081. The reversal of 331078080 is 80870133.
It is an interprime number because it is at equal distance from previous prime (331078079) and next prime (331078081).
It is a super-2 number, since 2×3310780802 = 219225390112972800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331078081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171477 + ... + 173396.
Almost surely, 2331078080 is an apocalyptic number.
331078080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
331078080 is an abundant number, since it is smaller than the sum of its proper divisors (720097872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331078080 is a wasteful number, since it uses less digits than its factorization.
331078080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344893 (or 344883 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 331078080 is about 18195.5511045970. The cubic root of 331078080 is about 691.7940291583.
The spelling of 331078080 in words is "three hundred thirty-one million, seventy-eight thousand, eighty".
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