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5412805 = 51815981
BaseRepresentation
bin10100101001011111000101
3101011222222021
4110221133011
52341202210
6312003141
764002526
oct24513705
911158867
105412805
1130677a2
1219904b1
131176958
14a0c84d
1571dbda
hex5297c5

5412805 has 8 divisors (see below), whose sum is σ = 6532344. Its totient is φ = 4305600.

The previous prime is 5412793. The next prime is 5412811. The reversal of 5412805 is 5082145.

It can be written as a sum of positive squares in 4 ways, for example, as 564001 + 4848804 = 751^2 + 2202^2 .

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

It is not a de Polignac number, because 5412805 - 25 = 5412773 is a prime.

It is a Duffinian number.

5412805 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5412805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086 + ... + 3895.

It is an arithmetic number, because the mean of its divisors is an integer number (816543).

Almost surely, 25412805 is an apocalyptic number.

It is an amenable number.

5412805 is a deficient number, since it is larger than the sum of its proper divisors (1119539).

5412805 is a wasteful number, since it uses less digits than its factorization.

5412805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5412805 is about 2326.5435736302. The cubic root of 5412805 is about 175.5796290730.

The spelling of 5412805 in words is "five million, four hundred twelve thousand, eight hundred five".

Divisors: 1 5 181 905 5981 29905 1082561 5412805