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5378649 = 38321601
BaseRepresentation
bin10100100001001001011001
3101010021010020
4110201021121
52334104044
6311141053
763501123
oct24411131
911107106
105378649
113044071
121974789
131164243
14a00213
15713a19
hex521259

5378649 has 8 divisors (see below), whose sum is σ = 7258272. Its totient is φ = 3542400.

The previous prime is 5378609. The next prime is 5378657. The reversal of 5378649 is 9468735.

It is a happy number.

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

It is not a de Polignac number, because 5378649 - 27 = 5378521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5378649.

It is not an unprimeable number, because it can be changed into a prime (5378609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10552 + ... + 11049.

It is an arithmetic number, because the mean of its divisors is an integer number (907284).

Almost surely, 25378649 is an apocalyptic number.

It is an amenable number.

5378649 is a deficient number, since it is larger than the sum of its proper divisors (1879623).

5378649 is a wasteful number, since it uses less digits than its factorization.

5378649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21687.

The product of its digits is 181440, while the sum is 42.

The square root of 5378649 is about 2319.1914539339. The cubic root of 5378649 is about 175.2095340509.

It can be divided in two parts, 53786 and 49, that added together give a palindrome (53835).

The spelling of 5378649 in words is "five million, three hundred seventy-eight thousand, six hundred forty-nine".

Divisors: 1 3 83 249 21601 64803 1792883 5378649