Base | Representation |
---|---|
bin | 11010000110111… |
… | …000110011011111 |
3 | 1010112012101002022 |
4 | 122012320303133 |
5 | 1344112410101 |
6 | 111244050355 |
7 | 13566023162 |
oct | 3206706337 |
9 | 1115171068 |
10 | 438013151 |
11 | 205279844 |
12 | 1028339bb |
13 | 6c9909a4 |
14 | 4225bad9 |
15 | 286c1a1b |
hex | 1a1b8cdf |
438013151 has 4 divisors (see below), whose sum is σ = 438331704. Its totient is φ = 437694600.
The previous prime is 438013117. The next prime is 438013159. The reversal of 438013151 is 151310834.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-438013151 is a prime.
It is a cake number, because a cake can be divided into 438013151 parts by 1380 planar cuts.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 438013151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (438013159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157205 + ... + 159966.
It is an arithmetic number, because the mean of its divisors is an integer number (109582926).
Almost surely, 2438013151 is an apocalyptic number.
438013151 is a deficient number, since it is larger than the sum of its proper divisors (318553).
438013151 is a wasteful number, since it uses less digits than its factorization.
438013151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318552.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 438013151 is about 20928.7637236412. The cubic root of 438013151 is about 759.4439324623.
Adding to 438013151 its reverse (151310834), we get a palindrome (589323985).
The spelling of 438013151 in words is "four hundred thirty-eight million, thirteen thousand, one hundred fifty-one".
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