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5478381 = 33331613
BaseRepresentation
bin10100111001011111101101
3101022022221000
4110321133231
52400302011
6313230513
764364646
oct24713755
911268830
105478381
113101a97
121a02439
13119a75c
14a286cd
15733356
hex5397ed

5478381 has 16 divisors (see below), whose sum is σ = 8153920. Its totient is φ = 3635280.

The previous prime is 5478371. The next prime is 5478383. The reversal of 5478381 is 1838745.

It is not a de Polignac number, because 5478381 - 29 = 5477869 is a prime.

It is a super-2 number, since 2×54783812 = 60025316762322, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8631 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (509620).

Almost surely, 25478381 is an apocalyptic number.

It is an amenable number.

5478381 is a deficient number, since it is larger than the sum of its proper divisors (2675539).

5478381 is a wasteful number, since it uses less digits than its factorization.

5478381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 947 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 5478381 is about 2340.5941553375. The cubic root of 5478381 is about 176.2858324611.

The spelling of 5478381 in words is "five million, four hundred seventy-eight thousand, three hundred eighty-one".

Divisors: 1 3 9 27 331 613 993 1839 2979 5517 8937 16551 202903 608709 1826127 5478381