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5401849 = 23234863
BaseRepresentation
bin10100100110110011111001
3101011102221111
4110212303321
52340324344
6311440321
763625555
oct24466371
911142844
105401849
11305a542
1219860a1
13117197b
14a08865
1571a834
hex526cf9

5401849 has 4 divisors (see below), whose sum is σ = 5636736. Its totient is φ = 5166964.

The previous prime is 5401841. The next prime is 5401853. The reversal of 5401849 is 9481045.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 5401849 - 23 = 5401841 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 5401849.

It is not an unprimeable number, because it can be changed into a prime (5401841) 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 3 ways as a sum of consecutive naturals, for example, 117409 + ... + 117454.

It is an arithmetic number, because the mean of its divisors is an integer number (1409184).

Almost surely, 25401849 is an apocalyptic number.

It is an amenable number.

5401849 is a deficient number, since it is larger than the sum of its proper divisors (234887).

5401849 is a wasteful number, since it uses less digits than its factorization.

5401849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234886.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5401849 is about 2324.1878151303. The cubic root of 5401849 is about 175.4610861144.

The spelling of 5401849 in words is "five million, four hundred one thousand, eight hundred forty-nine".

Divisors: 1 23 234863 5401849