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84079944 = 2336131109
BaseRepresentation
bin1010000001011…
…11010101001000
312212012201000000
411000233111020
5133011024234
612202043000
72040445014
oct500572510
9185181000
1084079944
1143508563
12241a9460
131455b460
14b249544
1575ac899
hex502f548

84079944 has 112 divisors (see below), whose sum is σ = 254778300. Its totient is φ = 25847424.

The previous prime is 84079859. The next prime is 84079981. The reversal of 84079944 is 44997048.

It can be written as a sum of positive squares in 2 ways, for example, as 63011844 + 21068100 = 7938^2 + 4590^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84079944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 75262 + ... + 76370.

Almost surely, 284079944 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 84079944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127389150).

84079944 is an abundant number, since it is smaller than the sum of its proper divisors (170698356).

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

84079944 is a wasteful number, since it uses less digits than its factorization.

84079944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 84079944 is about 9169.5116554809. The cubic root of 84079944 is about 438.0908049676.

The spelling of 84079944 in words is "eighty-four million, seventy-nine thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 216 234 243 312 324 351 468 486 648 702 729 936 972 1053 1109 1404 1458 1944 2106 2218 2808 2916 3159 3327 4212 4436 5832 6318 6654 8424 8872 9477 9981 12636 13308 14417 18954 19962 25272 26616 28834 29943 37908 39924 43251 57668 59886 75816 79848 86502 89829 115336 119772 129753 173004 179658 239544 259506 269487 346008 359316 389259 519012 538974 718632 778518 808461 1038024 1077948 1167777 1557036 1616922 2155896 2335554 3114072 3233844 3503331 4671108 6467688 7006662 9342216 10509993 14013324 21019986 28026648 42039972 84079944