Base | Representation |
---|---|
bin | 111001011110… |
… | …1010001110100 |
3 | 2002201001000101 |
4 | 1302331101310 |
5 | 30203313122 |
6 | 2553523444 |
7 | 514101226 |
oct | 162752164 |
9 | 62631011 |
10 | 30135412 |
11 | 160131aa |
12 | a113584 |
13 | 6321808 |
14 | 4006416 |
15 | 29a4027 |
hex | 1cbd474 |
30135412 has 6 divisors (see below), whose sum is σ = 52736978. Its totient is φ = 15067704.
The previous prime is 30135401. The next prime is 30135421. The reversal of 30135412 is 21453103.
It can be written as a sum of positive squares in only one way, i.e., 23561316 + 6574096 = 4854^2 + 2564^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30135412.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766923 + ... + 3766930.
Almost surely, 230135412 is an apocalyptic number.
It is an amenable number.
30135412 is a deficient number, since it is larger than the sum of its proper divisors (22601566).
30135412 is a wasteful number, since it uses less digits than its factorization.
30135412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7533857 (or 7533855 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 30135412 is about 5489.5730252908. The cubic root of 30135412 is about 311.1900562508.
Adding to 30135412 its reverse (21453103), we get a palindrome (51588515).
The spelling of 30135412 in words is "thirty million, one hundred thirty-five thousand, four hundred twelve".
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