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250061243 is a prime number
BaseRepresentation
bin11101110011110…
…10000110111011
3122102112102112112
432321322012323
51003003424433
640451402535
76124325345
oct1671720673
9572472475
10250061243
11119175793
126b8b344b
133ca64543
14252d4295
1516e47348
hexee7a1bb

250061243 has 2 divisors, whose sum is σ = 250061244. Its totient is φ = 250061242.

The previous prime is 250061233. The next prime is 250061249. The reversal of 250061243 is 342160052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 250061243 - 214 = 250044859 is a prime.

It is not a weakly prime, because it can be changed into another prime (250061249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125030621 + 125030622.

It is an arithmetic number, because the mean of its divisors is an integer number (125030622).

Almost surely, 2250061243 is an apocalyptic number.

250061243 is a deficient number, since it is larger than the sum of its proper divisors (1).

250061243 is an equidigital number, since it uses as much as digits as its factorization.

250061243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 250061243 is about 15813.3248559561. The cubic root of 250061243 is about 630.0119616441.

The spelling of 250061243 in words is "two hundred fifty million, sixty-one thousand, two hundred forty-three".