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828268144 = 24114999431
BaseRepresentation
bin110001010111100…
…101111001110000
32010201112101021221
4301113211321300
53144014040034
6214104354424
726345106634
oct6127457160
92121471257
10828268144
11395599130
121b1475a14
1310279c7c2
147c006dc4
154caacbb4
hex315e5e70

828268144 has 40 divisors (see below), whose sum is σ = 1754352000. Its totient is φ = 375691200.

The previous prime is 828268141. The next prime is 828268151. The reversal of 828268144 is 441862828.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 828268144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828268141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83109 + ... + 92539.

It is an arithmetic number, because the mean of its divisors is an integer number (43858800).

Almost surely, 2828268144 is an apocalyptic number.

It is an amenable number.

828268144 is an abundant number, since it is smaller than the sum of its proper divisors (926083856).

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

828268144 is a wasteful number, since it uses less digits than its factorization.

828268144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9949 (or 9943 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 828268144 is about 28779.6480867991. The cubic root of 828268144 is about 939.1255425845.

The spelling of 828268144 in words is "eight hundred twenty-eight million, two hundred sixty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 499 998 1996 3992 5489 7984 9431 10978 18862 21956 37724 43912 75448 87824 103741 150896 207482 414964 829928 1659856 4706069 9412138 18824276 37648552 51766759 75297104 103533518 207067036 414134072 828268144