Base | Representation |
---|---|
bin | 111001011111… |
… | …001101001110 |
3 | 1001100122012021 |
4 | 321133031032 |
5 | 12324220110 |
6 | 1255000354 |
7 | 242043643 |
oct | 71371516 |
9 | 31318167 |
10 | 15070030 |
11 | 8563378 |
12 | 50690ba |
13 | 31784a1 |
14 | 2003dca |
15 | 14ca2da |
hex | e5f34e |
15070030 has 32 divisors (see below), whose sum is σ = 28263168. Its totient is φ = 5779200.
The previous prime is 15069997. The next prime is 15070049. The reversal of 15070030 is 3007051.
It is a junction number, because it is equal to n+sod(n) for n = 15069986 and 15070013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53490 + ... + 53770.
It is an arithmetic number, because the mean of its divisors is an integer number (883224).
Almost surely, 215070030 is an apocalyptic number.
15070030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15070030 is a deficient number, since it is larger than the sum of its proper divisors (13193138).
15070030 is a wasteful number, since it uses less digits than its factorization.
15070030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 492.
The product of its (nonzero) digits is 105, while the sum is 16.
The square root of 15070030 is about 3882.0136527323. The cubic root of 15070030 is about 247.0044091068.
Adding to 15070030 its reverse (3007051), we get a palindrome (18077081).
The spelling of 15070030 in words is "fifteen million, seventy thousand, thirty".
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