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238054357 is a prime number
BaseRepresentation
bin11100011000001…
…10101111010101
3121120221102012001
432030012233111
5441420214412
635342155301
75620300012
oct1614065725
9546842161
10238054357
11112414842
1267882b31
133a41c388
142388a709
1515d74957
hexe306bd5

238054357 has 2 divisors, whose sum is σ = 238054358. Its totient is φ = 238054356.

The previous prime is 238054343. The next prime is 238054361. The reversal of 238054357 is 753450832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141110641 + 96943716 = 11879^2 + 9846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-238054357 is a prime.

It is a super-3 number, since 3×2380543573 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238054057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119027178 + 119027179.

It is an arithmetic number, because the mean of its divisors is an integer number (119027179).

Almost surely, 2238054357 is an apocalyptic number.

It is an amenable number.

238054357 is a deficient number, since it is larger than the sum of its proper divisors (1).

238054357 is an equidigital number, since it uses as much as digits as its factorization.

238054357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 238054357 is about 15429.0102404529. The cubic root of 238054357 is about 619.7626189758.

The spelling of 238054357 in words is "two hundred thirty-eight million, fifty-four thousand, three hundred fifty-seven".