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5180385 = 357103479
BaseRepresentation
bin10011110000101111100001
3100202012011010
4103300233201
52311233020
6303011133
762014110
oct23605741
910665133
105180385
112a19111
121899aa9
1310c4c22
1498bc77
156c4de0
hex4f0be1

5180385 has 32 divisors (see below), whose sum is σ = 9584640. Its totient is φ = 2340288.

The previous prime is 5180353. The next prime is 5180419. The reversal of 5180385 is 5830815.

It is a happy number.

5180385 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5180385 - 25 = 5180353 is a prime.

5180385 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10576 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (299520).

Almost surely, 25180385 is an apocalyptic number.

It is an amenable number.

5180385 is a deficient number, since it is larger than the sum of its proper divisors (4404255).

5180385 is a wasteful number, since it uses less digits than its factorization.

5180385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 5180385 is about 2276.0459134209. The cubic root of 5180385 is about 173.0297096670.

It can be divided in two parts, 5180 and 385, that added together give a triangular number (5565 = T105).

The spelling of 5180385 in words is "five million, one hundred eighty thousand, three hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 103 105 309 479 515 721 1437 1545 2163 2395 3353 3605 7185 10059 10815 16765 49337 50295 148011 246685 345359 740055 1036077 1726795 5180385