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828518040 = 233257328777
BaseRepresentation
bin110001011000100…
…010111010011000
32010202000002002100
4301120202322120
53144100034130
6214114003400
726350200330
oct6130427230
92122002070
10828518040
11395749959
121b1576560
1310285947c
147c0700c0
154cb0bc60
hex31622e98

828518040 has 96 divisors (see below), whose sum is σ = 3077362080. Its totient is φ = 189374976.

The previous prime is 828518039. The next prime is 828518051. The reversal of 828518040 is 40815828.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 828517986 and 828518004.

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 23 ways as a sum of consecutive naturals, for example, 161869 + ... + 166908.

It is an arithmetic number, because the mean of its divisors is an integer number (32055855).

Almost surely, 2828518040 is an apocalyptic number.

It is an amenable number.

828518040 is an abundant number, since it is smaller than the sum of its proper divisors (2248844040).

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

828518040 is a wasteful number, since it uses less digits than its factorization.

828518040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328801 (or 328794 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 828518040 is about 28783.9892996089. The cubic root of 828518040 is about 939.2199806479.

The spelling of 828518040 in words is "eight hundred twenty-eight million, five hundred eighteen thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 328777 657554 986331 1315108 1643885 1972662 2301439 2630216 2958993 3287770 3945324 4602878 4931655 5917986 6575540 6904317 7890648 9205756 9863310 11507195 11835972 13151080 13808634 14794965 18411512 19726620 20712951 23014390 23671944 27617268 29589930 34521585 39453240 41425902 46028780 55234536 59179860 69043170 82851804 92057560 103564755 118359720 138086340 165703608 207129510 276172680 414259020 828518040