Search a number
-
+
5458397 = 7779771
BaseRepresentation
bin10100110100100111011101
3101021022111212
4110310213131
52344132042
6312554205
764252460
oct24644735
911238455
105458397
113098a7a
1219b2965
131191629
14a212d7
1572c482
hex5349dd

5458397 has 4 divisors (see below), whose sum is σ = 6238176. Its totient is φ = 4678620.

The previous prime is 5458379. The next prime is 5458399. The reversal of 5458397 is 7938545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7938545 = 51587709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5458397 is a prime.

It is a d-powerful number, because it can be written as 54 + 411 + 54 + 86 + 311 + 9 + 77 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5458399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389879 + ... + 389892.

It is an arithmetic number, because the mean of its divisors is an integer number (1559544).

Almost surely, 25458397 is an apocalyptic number.

It is an amenable number.

5458397 is a deficient number, since it is larger than the sum of its proper divisors (779779).

5458397 is an equidigital number, since it uses as much as digits as its factorization.

5458397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779778.

The product of its digits is 151200, while the sum is 41.

The square root of 5458397 is about 2336.3212535951. The cubic root of 5458397 is about 176.0712198851.

The spelling of 5458397 in words is "five million, four hundred fifty-eight thousand, three hundred ninety-seven".

Divisors: 1 7 779771 5458397