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253550743 is a prime number
BaseRepresentation
bin11110001110011…
…10000010010111
3122200002201020021
433013032002113
51004402110433
641054250011
76166100665
oct1707160227
9580081207
10253550743
11120139476
1270ab6907
13406b6934
1425961c35
15173d622d
hexf1ce097

253550743 has 2 divisors, whose sum is σ = 253550744. Its totient is φ = 253550742.

The previous prime is 253550719. The next prime is 253550753. The reversal of 253550743 is 347055352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253550743 - 25 = 253550711 is a prime.

It is equal to p13862842 and since 253550743 and 13862842 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 253550699 and 253550708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253550753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126775371 + 126775372.

It is an arithmetic number, because the mean of its divisors is an integer number (126775372).

Almost surely, 2253550743 is an apocalyptic number.

253550743 is a deficient number, since it is larger than the sum of its proper divisors (1).

253550743 is an equidigital number, since it uses as much as digits as its factorization.

253550743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 34.

The square root of 253550743 is about 15923.2767670477. The cubic root of 253550743 is about 632.9289527246.

The spelling of 253550743 in words is "two hundred fifty-three million, five hundred fifty thousand, seven hundred forty-three".