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134831872 = 287671123
BaseRepresentation
bin10000000100101…
…01111100000000
3100101201011120001
420002111330000
5234004104442
621213525344
73225023560
oct1002257400
9311634501
10134831872
116a1221aa
12391a3854
1321c1ab96
1413c9ada0
15bc852b7
hex8095f00

134831872 has 72 divisors (see below), whose sum is σ = 312454016. Its totient is φ = 56871936.

The previous prime is 134831863. The next prime is 134831887. The reversal of 134831872 is 278138431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119503 + ... + 120625.

Almost surely, 2134831872 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 134831872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156227008).

134831872 is an abundant number, since it is smaller than the sum of its proper divisors (177622144).

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

134831872 is an equidigital number, since it uses as much as digits as its factorization.

134831872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1199 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 134831872 is about 11611.7127074347. The cubic root of 134831872 is about 512.7797363981.

The spelling of 134831872 in words is "one hundred thirty-four million, eight hundred thirty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 67 112 128 134 224 256 268 448 469 536 896 938 1072 1123 1792 1876 2144 2246 3752 4288 4492 7504 7861 8576 8984 15008 15722 17152 17968 30016 31444 35936 60032 62888 71872 75241 120064 125776 143744 150482 251552 287488 300964 503104 526687 601928 1006208 1053374 1203856 2012416 2106748 2407712 4213496 4815424 8426992 9630848 16853984 19261696 33707968 67415936 134831872