Base | Representation |
---|---|
bin | 111010010000… |
… | …100001011110 |
3 | 1001201220021202 |
4 | 322100201132 |
5 | 12402201110 |
6 | 1303155502 |
7 | 243544604 |
oct | 72204136 |
9 | 31656252 |
10 | 15272030 |
11 | 8691114 |
12 | 5145b92 |
13 | 3219407 |
14 | 2057874 |
15 | 151a0a5 |
hex | e9085e |
15272030 has 8 divisors (see below), whose sum is σ = 27489672. Its totient is φ = 6108808.
The previous prime is 15272017. The next prime is 15272041. The reversal of 15272030 is 3027251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 15271993 and 15272011.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763592 + ... + 763611.
It is an arithmetic number, because the mean of its divisors is an integer number (3436209).
Almost surely, 215272030 is an apocalyptic number.
15272030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15272030 is a deficient number, since it is larger than the sum of its proper divisors (12217642).
15272030 is a wasteful number, since it uses less digits than its factorization.
15272030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1527210.
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 15272030 is about 3907.9444724817. The cubic root of 15272030 is about 248.1031373826.
Adding to 15272030 its reverse (3027251), we get a palindrome (18299281).
The spelling of 15272030 in words is "fifteen million, two hundred seventy-two thousand, thirty".
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