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229398461 is a prime number
BaseRepresentation
bin11011010110001…
…01011110111101
3120222122122112022
431223011132331
5432211222321
634432445525
75453566115
oct1553053675
9528578468
10229398461
11108542506
12649a98a5
13386ab546
1422676045
1515214dab
hexdac57bd

229398461 has 2 divisors, whose sum is σ = 229398462. Its totient is φ = 229398460.

The previous prime is 229398437. The next prime is 229398473. The reversal of 229398461 is 164893922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198105625 + 31292836 = 14075^2 + 5594^2 .

It is a cyclic number.

It is not a de Polignac number, because 229398461 - 26 = 229398397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229398401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114699230 + 114699231.

It is an arithmetic number, because the mean of its divisors is an integer number (114699231).

Almost surely, 2229398461 is an apocalyptic number.

It is an amenable number.

229398461 is a deficient number, since it is larger than the sum of its proper divisors (1).

229398461 is an equidigital number, since it uses as much as digits as its factorization.

229398461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 229398461 is about 15145.9057504000. The cubic root of 229398461 is about 612.1579584653.

The spelling of 229398461 in words is "two hundred twenty-nine million, three hundred ninety-eight thousand, four hundred sixty-one".