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230020249 is a prime number
BaseRepresentation
bin11011011010111…
…01010010011001
3121000211020110111
431231131102121
5432341121444
634454044321
75462065654
oct1555352231
9530736414
10230020249
11108927688
12650496a1
1338868574
142279889b
15152d9234
hexdb5d499

230020249 has 2 divisors, whose sum is σ = 230020250. Its totient is φ = 230020248.

The previous prime is 230020223. The next prime is 230020253. The reversal of 230020249 is 942020032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227044624 + 2975625 = 15068^2 + 1725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230020249 is a prime.

It is not a weakly prime, because it can be changed into another prime (230020649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115010124 + 115010125.

It is an arithmetic number, because the mean of its divisors is an integer number (115010125).

Almost surely, 2230020249 is an apocalyptic number.

It is an amenable number.

230020249 is a deficient number, since it is larger than the sum of its proper divisors (1).

230020249 is an equidigital number, since it uses as much as digits as its factorization.

230020249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 230020249 is about 15166.4184631705. The cubic root of 230020249 is about 612.7105473022.

The spelling of 230020249 in words is "two hundred thirty million, twenty thousand, two hundred forty-nine".