Base | Representation |
---|---|
bin | 100000110110000… |
… | …110110001011111 |
3 | 1102101220110120101 |
4 | 200312012301133 |
5 | 2112032220211 |
6 | 130403001531 |
7 | 16440612454 |
oct | 4066066137 |
9 | 1371813511 |
10 | 551054431 |
11 | 263068394 |
12 | 1346692a7 |
13 | 8a21c415 |
14 | 5328582b |
15 | 335a05c1 |
hex | 20d86c5f |
551054431 has 8 divisors (see below), whose sum is σ = 574397360. Its totient is φ = 528156288.
The previous prime is 551054411. The next prime is 551054459. The reversal of 551054431 is 134450155.
551054431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 551054431 - 213 = 551046239 is a prime.
It is a super-2 number, since 2×5510544312 = 607321971849467522, which contains 22 as substring.
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 551054431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (551054411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108666 + ... + 113623.
It is an arithmetic number, because the mean of its divisors is an integer number (71799670).
Almost surely, 2551054431 is an apocalyptic number.
551054431 is a deficient number, since it is larger than the sum of its proper divisors (23342929).
551054431 is a wasteful number, since it uses less digits than its factorization.
551054431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222393.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 551054431 is about 23474.5485792592. The cubic root of 551054431 is about 819.8445228722.
It can be divided in two parts, 55105 and 4431, that added together give a square (59536 = 2442).
The spelling of 551054431 in words is "five hundred fifty-one million, fifty-four thousand, four hundred thirty-one".
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