Search a number
-
+
928969828 = 221713661321
BaseRepresentation
bin110111010111101…
…111010001100100
32101202000120000221
4313113233101210
53400304013303
6232103014124
732010053563
oct6727572144
92352016027
10928969828
11437419866
1221b13a344
1311a5ca7b7
148b53bbda
15568504bd
hex375ef464

928969828 has 12 divisors (see below), whose sum is σ = 1721326572. Its totient is φ = 437162240.

The previous prime is 928969823. The next prime is 928969861. The reversal of 928969828 is 828969829.

It can be written as a sum of positive squares in 2 ways, for example, as 292820544 + 636149284 = 17112^2 + 25222^2 .

It is not an unprimeable number, because it can be changed into a prime (928969823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6830593 + ... + 6830728.

It is an arithmetic number, because the mean of its divisors is an integer number (143443881).

Almost surely, 2928969828 is an apocalyptic number.

It is an amenable number.

928969828 is a deficient number, since it is larger than the sum of its proper divisors (792356744).

928969828 is a wasteful number, since it uses less digits than its factorization.

928969828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13661342 (or 13661340 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The square root of 928969828 is about 30479.0063486328. The cubic root of 928969828 is about 975.7394620009.

Subtracting from 928969828 its reverse (828969829), we obtain a palindrome (99999999).

The spelling of 928969828 in words is "nine hundred twenty-eight million, nine hundred sixty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 13661321 27322642 54645284 232242457 464484914 928969828