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5415805 = 553107191
BaseRepresentation
bin10100101010001101111101
3101012011002101
4110222031331
52341301210
6312025101
764014343
oct24521575
911164071
105415805
113069a7a
121992191
131178125
14a0d993
1571ea3a
hex52a37d

5415805 has 16 divisors (see below), whose sum is σ = 6718464. Its totient is φ = 4189120.

The previous prime is 5415791. The next prime is 5415829. The reversal of 5415805 is 5085145.

It is a de Polignac number, because none of the positive numbers 2k-5415805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28260 + ... + 28450.

It is an arithmetic number, because the mean of its divisors is an integer number (419904).

Almost surely, 25415805 is an apocalyptic number.

It is an amenable number.

5415805 is a deficient number, since it is larger than the sum of its proper divisors (1302659).

5415805 is a wasteful number, since it uses less digits than its factorization.

5415805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 5415805 is about 2327.1882175707. The cubic root of 5415805 is about 175.6120609085.

The spelling of 5415805 in words is "five million, four hundred fifteen thousand, eight hundred five".

Divisors: 1 5 53 107 191 265 535 955 5671 10123 20437 28355 50615 102185 1083161 5415805