Base | Representation |
---|---|
bin | 111010000110… |
… | …1100010001110 |
3 | 2010022201221120 |
4 | 1310031202032 |
5 | 30244323032 |
6 | 3004541410 |
7 | 516640512 |
oct | 164154216 |
9 | 63281846 |
10 | 30464142 |
11 | 16218185 |
12 | a251866 |
13 | 6408327 |
14 | 4090142 |
15 | 2a1b62c |
hex | 1d0d88e |
30464142 has 16 divisors (see below), whose sum is σ = 61374672. Its totient is φ = 10080320.
The previous prime is 30464129. The next prime is 30464143. The reversal of 30464142 is 24146403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30464143) 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, 17709 + ... + 19352.
It is an arithmetic number, because the mean of its divisors is an integer number (3835917).
Almost surely, 230464142 is an apocalyptic number.
30464142 is an abundant number, since it is smaller than the sum of its proper divisors (30910530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30464142 is a wasteful number, since it uses less digits than its factorization.
30464142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37203.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 30464142 is about 5519.4331230662. The cubic root of 30464142 is about 312.3174981319.
It can be divided in two parts, 304 and 64142, that added together give a palindrome (64446).
The spelling of 30464142 in words is "thirty million, four hundred sixty-four thousand, one hundred forty-two".
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