Base | Representation |
---|---|
bin | 111110110111… |
… | …011100011111 |
3 | 1011000021100112 |
4 | 332313130133 |
5 | 13204330111 |
6 | 1345120235 |
7 | 260035511 |
oct | 76673437 |
9 | 34007315 |
10 | 16480031 |
11 | 9336767 |
12 | 562907b |
13 | 35501c9 |
14 | 228dbb1 |
15 | 16a7e8b |
hex | fb771f |
16480031 has 2 divisors, whose sum is σ = 16480032. Its totient is φ = 16480030.
The previous prime is 16480027. The next prime is 16480081. The reversal of 16480031 is 13008461.
It is a weak prime.
It is an emirp because it is prime and its reverse (13008461) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 16480031 - 22 = 16480027 is a prime.
It is a super-2 number, since 2×164800312 = 543182843521922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 16479979 and 16480006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (16480001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8240015 + 8240016.
It is an arithmetic number, because the mean of its divisors is an integer number (8240016).
Almost surely, 216480031 is an apocalyptic number.
16480031 is a deficient number, since it is larger than the sum of its proper divisors (1).
16480031 is an equidigital number, since it uses as much as digits as its factorization.
16480031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 16480031 is about 4059.5604441860. The cubic root of 16480031 is about 254.4794249767.
Adding to 16480031 its reverse (13008461), we get a palindrome (29488492).
The spelling of 16480031 in words is "sixteen million, four hundred eighty thousand, thirty-one".
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