Search a number
-
+
528879 = 31371191
BaseRepresentation
bin10000001000111101111
3222212111010
42001013233
5113411004
615200303
74331631
oct2010757
9885433
10528879
1133139a
12216093
13156960
14daa51
15a6a89
hex811ef

528879 has 16 divisors (see below), whose sum is σ = 774144. Its totient is φ = 319200.

The previous prime is 528877. The next prime is 528881. The reversal of 528879 is 978825.

528879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (528877) and next prime (528881).

It is not a de Polignac number, because 528879 - 21 = 528877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 9 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2674 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (48384).

2528879 is an apocalyptic number.

528879 is a deficient number, since it is larger than the sum of its proper divisors (245265).

528879 is a wasteful number, since it uses less digits than its factorization.

528879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its digits is 40320, while the sum is 39.

The square root of 528879 is about 727.2406754301. The cubic root of 528879 is about 80.8696271873.

The spelling of 528879 in words is "five hundred twenty-eight thousand, eight hundred seventy-nine".

Divisors: 1 3 13 39 71 191 213 573 923 2483 2769 7449 13561 40683 176293 528879