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415488949 is a prime number
BaseRepresentation
bin11000110000111…
…101101110110101
31001221211000200121
4120300331232311
51322331121244
6105121211541
713203412021
oct3060755665
91057730617
10415488949
111a3594aa7
12b7190bb1
1368105665
143d277381
1526722c84
hex18c3dbb5

415488949 has 2 divisors, whose sum is σ = 415488950. Its totient is φ = 415488948.

The previous prime is 415488929. The next prime is 415488971. The reversal of 415488949 is 949884514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414936900 + 552049 = 20370^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 415488949 - 211 = 415486901 is a prime.

It is a super-2 number, since 2×4154889492 = 345262133482249202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 415488896 and 415488905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415488929) 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 as a sum of consecutive naturals, namely, 207744474 + 207744475.

It is an arithmetic number, because the mean of its divisors is an integer number (207744475).

Almost surely, 2415488949 is an apocalyptic number.

It is an amenable number.

415488949 is a deficient number, since it is larger than the sum of its proper divisors (1).

415488949 is an equidigital number, since it uses as much as digits as its factorization.

415488949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 52.

The square root of 415488949 is about 20383.5460359575. The cubic root of 415488949 is about 746.1964164263.

The spelling of 415488949 in words is "four hundred fifteen million, four hundred eighty-eight thousand, nine hundred forty-nine".