Search a number
-
+
13854457 is a prime number
BaseRepresentation
bin110100110110…
…011011111001
3222001212202001
4310312123321
512021320312
61212541001
7225522001
oct64663371
928055661
1013854457
117903071
124781761
132b41106
141ba9001
15133a057
hexd366f9

13854457 has 2 divisors, whose sum is σ = 13854458. Its totient is φ = 13854456.

The previous prime is 13854403. The next prime is 13854497. The reversal of 13854457 is 75445831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 3767481 = 3176^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 13854457 - 211 = 13852409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13854497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6927228 + 6927229.

It is an arithmetic number, because the mean of its divisors is an integer number (6927229).

Almost surely, 213854457 is an apocalyptic number.

It is an amenable number.

13854457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13854457 is an equidigital number, since it uses as much as digits as its factorization.

13854457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 13854457 is about 3722.1575732363. The cubic root of 13854457 is about 240.1761265031.

It can be divided in two parts, 138544 and 57, that added together give a triangular number (138601 = T526).

The spelling of 13854457 in words is "thirteen million, eight hundred fifty-four thousand, four hundred fifty-seven".