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829489152 = 21634219
BaseRepresentation
bin110001011100010…
…000000000000000
32010210211102012110
4301130100000000
53144322123102
6214150455320
726361353502
oct6134200000
92123742173
10829489152
11396252528
121b1964540
13102b094ab
147c243d72
154cc4e86c
hex31710000

829489152 has 68 divisors (see below), whose sum is σ = 2212478480. Its totient is φ = 276430848.

The previous prime is 829489151. The next prime is 829489159. The reversal of 829489152 is 251984928.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (829489151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194499 + ... + 198717.

Almost surely, 2829489152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 829489152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106239240).

829489152 is an abundant number, since it is smaller than the sum of its proper divisors (1382989328).

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

829489152 is an frugal number, since it uses more digits than its factorization.

829489152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254 (or 4224 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 829489152 is about 28800.8533206917. The cubic root of 829489152 is about 939.5867928865.

The spelling of 829489152 in words is "eight hundred twenty-nine million, four hundred eighty-nine thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 4219 6144 8192 8438 12288 12657 16384 16876 24576 25314 32768 33752 49152 50628 65536 67504 98304 101256 135008 196608 202512 270016 405024 540032 810048 1080064 1620096 2160128 3240192 4320256 6480384 8640512 12960768 17281024 25921536 34562048 51843072 69124096 103686144 138248192 207372288 276496384 414744576 829489152