Base | Representation |
---|---|
bin | 100000111011010… |
… | …110110110110111 |
3 | 1102111111101220120 |
4 | 200323112312313 |
5 | 2112410243111 |
6 | 130452303023 |
7 | 16455405045 |
oct | 4073266667 |
9 | 1374441816 |
10 | 552431031 |
11 | 263918679 |
12 | 135011a73 |
13 | 8a5b1b89 |
14 | 53523395 |
15 | 33773406 |
hex | 20ed6db7 |
552431031 has 16 divisors (see below), whose sum is σ = 794621664. Its totient is φ = 340081664.
The previous prime is 552431029. The next prime is 552431051. The reversal of 552431031 is 130134255.
It is a cyclic number.
It is not a de Polignac number, because 552431031 - 21 = 552431029 is a prime.
It is a super-2 number, since 2×5524310312 = 610360088023445922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 552430992 and 552431010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (552431051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99486 + ... + 104891.
It is an arithmetic number, because the mean of its divisors is an integer number (49663854).
Almost surely, 2552431031 is an apocalyptic number.
552431031 is a gapful number since it is divisible by the number (51) formed by its first and last digit.
552431031 is a deficient number, since it is larger than the sum of its proper divisors (242190633).
552431031 is a wasteful number, since it uses less digits than its factorization.
552431031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204450.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 552431031 is about 23503.8514078012. The cubic root of 552431031 is about 820.5266451321.
Adding to 552431031 its reverse (130134255), we get a palindrome (682565286).
The spelling of 552431031 in words is "five hundred fifty-two million, four hundred thirty-one thousand, thirty-one".
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