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5405389 = 112412039
BaseRepresentation
bin10100100111101011001101
3101011121210121
4110213223031
52340433024
6311504541
763642103
oct24475315
911147717
105405389
113062170
121988151
131173472
14a09c73
1571b8e4
hex527acd

5405389 has 8 divisors (see below), whose sum is σ = 5924160. Its totient is φ = 4891200.

The previous prime is 5405381. The next prime is 5405447. The reversal of 5405389 is 9835045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5405389 - 23 = 5405381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405381) 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 7 ways as a sum of consecutive naturals, for example, 1632 + ... + 3670.

It is an arithmetic number, because the mean of its divisors is an integer number (740520).

Almost surely, 25405389 is an apocalyptic number.

It is an amenable number.

5405389 is a deficient number, since it is larger than the sum of its proper divisors (518771).

5405389 is a wasteful number, since it uses less digits than its factorization.

5405389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5405389 is about 2324.9492467579. The cubic root of 5405389 is about 175.4994061175.

It can be divided in two parts, 540 and 5389, that added together give a square (5929 = 772).

The spelling of 5405389 in words is "five million, four hundred five thousand, three hundred eighty-nine".

Divisors: 1 11 241 2039 2651 22429 491399 5405389