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5478929 = 8961561
BaseRepresentation
bin10100111001101000010001
3101022100200022
4110321220101
52400311204
6313233225
764366361
oct24715021
911270608
105478929
113102445
121a02815
13119aa91
14a289a1
157335be
hex539a11

5478929 has 4 divisors (see below), whose sum is σ = 5540580. Its totient is φ = 5417280.

The previous prime is 5478911. The next prime is 5478937. The reversal of 5478929 is 9298745.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2982529 + 2496400 = 1727^2 + 1580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5478929 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5478929.

It is not an unprimeable number, because it can be changed into a prime (5478989) 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, 30692 + ... + 30869.

It is an arithmetic number, because the mean of its divisors is an integer number (1385145).

Almost surely, 25478929 is an apocalyptic number.

It is an amenable number.

5478929 is a deficient number, since it is larger than the sum of its proper divisors (61651).

5478929 is an equidigital number, since it uses as much as digits as its factorization.

5478929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61650.

The product of its digits is 181440, while the sum is 44.

The square root of 5478929 is about 2340.7112167032. The cubic root of 5478929 is about 176.2917101961.

The spelling of 5478929 in words is "five million, four hundred seventy-eight thousand, nine hundred twenty-nine".

Divisors: 1 89 61561 5478929