Base | Representation |
---|---|
bin | 100000110110001… |
… | …101101000100011 |
3 | 1102101221220010010 |
4 | 200312031220203 |
5 | 2112034120111 |
6 | 130403340003 |
7 | 16441060416 |
oct | 4066155043 |
9 | 1371856103 |
10 | 551082531 |
11 | 26308750a |
12 | 134681603 |
13 | 8a22c14c |
14 | 53291b7d |
15 | 335a8aa6 |
hex | 20d8da23 |
551082531 has 8 divisors (see below), whose sum is σ = 735370000. Its totient is φ = 367091712.
The previous prime is 551082529. The next prime is 551082589. The reversal of 551082531 is 135280155.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 551082531 - 21 = 551082529 is a prime.
It is a super-2 number, since 2×5510825312 = 607383911946731922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (551082731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69790 + ... + 77283.
It is an arithmetic number, because the mean of its divisors is an integer number (91921250).
Almost surely, 2551082531 is an apocalyptic number.
551082531 is a deficient number, since it is larger than the sum of its proper divisors (184287469).
551082531 is a wasteful number, since it uses less digits than its factorization.
551082531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148325.
The product of its (nonzero) digits is 6000, while the sum is 30.
The square root of 551082531 is about 23475.1470921909. The cubic root of 551082531 is about 819.8584581196.
The spelling of 551082531 in words is "five hundred fifty-one million, eighty-two thousand, five hundred thirty-one".
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