Base | Representation |
---|---|
bin | 10011110001110… |
… | …101011101101110 |
3 | 212010101202202121 |
4 | 103301311131232 |
5 | 1134422044100 |
6 | 52532143154 |
7 | 11136342520 |
oct | 2361653556 |
9 | 763352677 |
10 | 331831150 |
11 | 160345722 |
12 | 93167aba |
13 | 539943c1 |
14 | 320dba10 |
15 | 1e1ea51a |
hex | 13c7576e |
331831150 has 24 divisors (see below), whose sum is σ = 705378960. Its totient is φ = 113770560.
The previous prime is 331831117. The next prime is 331831151. The reversal of 331831150 is 51138133.
It is a super-2 number, since 2×3318311502 = 220223824220645000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331831151) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473695 + ... + 474394.
It is an arithmetic number, because the mean of its divisors is an integer number (29390790).
Almost surely, 2331831150 is an apocalyptic number.
331831150 is an abundant number, since it is smaller than the sum of its proper divisors (373547810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331831150 is a wasteful number, since it uses less digits than its factorization.
331831150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 948108 (or 948103 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 331831150 is about 18216.2331451922. The cubic root of 331831150 is about 692.3181500636.
Adding to 331831150 its reverse (51138133), we get a palindrome (382969283).
The spelling of 331831150 in words is "three hundred thirty-one million, eight hundred thirty-one thousand, one hundred fifty".
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