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5398693 = 43125551
BaseRepresentation
bin10100100110000010100101
3101011021121121
4110212002211
52340224233
6311413541
763613426
oct24460245
911137547
105398693
113058133
1219842b1
1311703c1
14a0764d
1571992d
hex5260a5

5398693 has 4 divisors (see below), whose sum is σ = 5524288. Its totient is φ = 5273100.

The previous prime is 5398597. The next prime is 5398697. The reversal of 5398693 is 3968935.

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: 3968935 = 5793787.

It is a cyclic number.

It is not a de Polignac number, because 5398693 - 29 = 5398181 is a prime.

It is a super-2 number, since 2×53986932 = 58291772216498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 125551 = 5398693 / (5 + 3 + 9 + 8 + 6 + 9 + 3).

It is an Ulam number.

It is a Duffinian number.

5398693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62733 + ... + 62818.

It is an arithmetic number, because the mean of its divisors is an integer number (1381072).

Almost surely, 25398693 is an apocalyptic number.

It is an amenable number.

5398693 is a deficient number, since it is larger than the sum of its proper divisors (125595).

5398693 is a wasteful number, since it uses less digits than its factorization.

5398693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125594.

The product of its digits is 174960, while the sum is 43.

The square root of 5398693 is about 2323.5087690818. The cubic root of 5398693 is about 175.4269087389.

The spelling of 5398693 in words is "five million, three hundred ninety-eight thousand, six hundred ninety-three".

Divisors: 1 43 125551 5398693