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14542393 is a prime number
BaseRepresentation
bin110111011110…
…011000111001
31000100211102011
4313132120321
512210324033
61235405521
7234415435
oct67363071
930324364
1014542393
118232a08
124a538a1
133022288
141d079c5
151423ccd
hexdde639

14542393 has 2 divisors, whose sum is σ = 14542394. Its totient is φ = 14542392.

The previous prime is 14542351. The next prime is 14542421. The reversal of 14542393 is 39324541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14197824 + 344569 = 3768^2 + 587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14542393 is a prime.

It is a super-2 number, since 2×145423932 = 422962388332898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14542303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7271196 + 7271197.

It is an arithmetic number, because the mean of its divisors is an integer number (7271197).

Almost surely, 214542393 is an apocalyptic number.

It is an amenable number.

14542393 is a deficient number, since it is larger than the sum of its proper divisors (1).

14542393 is an equidigital number, since it uses as much as digits as its factorization.

14542393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 14542393 is about 3813.4489638646. The cubic root of 14542393 is about 244.0873612197.

The spelling of 14542393 in words is "fourteen million, five hundred forty-two thousand, three hundred ninety-three".