Search a number
-
+
514808 = 23729317
BaseRepresentation
bin1111101101011111000
3222011011222
41331223320
5112433213
615011212
74242620
oct1755370
9864158
10514808
11321868
12209b08
13150428
14d5880
15a2808
hex7daf8

514808 has 32 divisors (see below), whose sum is σ = 1144800. Its totient is φ = 212352.

The previous prime is 514793. The next prime is 514819. The reversal of 514808 is 808415.

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 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 1782.

It is an arithmetic number, because the mean of its divisors is an integer number (35775).

2514808 is an apocalyptic number.

514808 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572400).

514808 is an abundant number, since it is smaller than the sum of its proper divisors (629992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

514808 is a wasteful number, since it uses less digits than its factorization.

514808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 514808 is about 717.5012195112. The cubic root of 514808 is about 80.1459834484.

The spelling of 514808 in words is "five hundred fourteen thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 317 406 634 812 1268 1624 2219 2536 4438 8876 9193 17752 18386 36772 64351 73544 128702 257404 514808