Base | Representation |
---|---|
bin | 111001010101… |
… | …011101110100 |
3 | 1001021121110120 |
4 | 321111131310 |
5 | 12321431012 |
6 | 1254051540 |
7 | 241516425 |
oct | 71253564 |
9 | 31247416 |
10 | 15030132 |
11 | 85363a7 |
12 | 5049bb0 |
13 | 3163290 |
14 | 1dd364c |
15 | 14bd58c |
hex | e55774 |
15030132 has 96 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 4287360.
The previous prime is 15030107. The next prime is 15030137. The reversal of 15030132 is 23103051.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15030137) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211657 + ... + 211727.
It is an arithmetic number, because the mean of its divisors is an integer number (423360).
Almost surely, 215030132 is an apocalyptic number.
15030132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15030132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).
15030132 is an abundant number, since it is smaller than the sum of its proper divisors (25612428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15030132 is a wasteful number, since it uses less digits than its factorization.
15030132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173 (or 171 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 15030132 is about 3876.8714190698. The cubic root of 15030132 is about 246.7862345407.
Adding to 15030132 its reverse (23103051), we get a palindrome (38133183).
The spelling of 15030132 in words is "fifteen million, thirty thousand, one hundred thirty-two".
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