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671127296 = 2872391567
BaseRepresentation
bin101000000000001…
…001011100000000
31201202211210120112
4220000021130000
52333302033141
6150332330452
722426326230
oct5000113400
91652753515
10671127296
11314919964
12168913a28
13a9070558
14651bdcc0
153ddbc7eb
hex28009700

671127296 has 72 divisors (see below), whose sum is σ = 1538396160. Its totient is φ = 286239744.

The previous prime is 671127257. The next prime is 671127313. The reversal of 671127296 is 692721176.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 427505 + ... + 429071.

Almost surely, 2671127296 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 671127296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769198080).

671127296 is an abundant number, since it is smaller than the sum of its proper divisors (867268864).

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

671127296 is a wasteful number, since it uses less digits than its factorization.

671127296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1815 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 671127296 is about 25906.1246812409. The cubic root of 671127296 is about 875.5244946861.

The spelling of 671127296 in words is "six hundred seventy-one million, one hundred twenty-seven thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 239 256 448 478 896 956 1567 1673 1792 1912 3134 3346 3824 6268 6692 7648 10969 12536 13384 15296 21938 25072 26768 30592 43876 50144 53536 61184 87752 100288 107072 175504 200576 214144 351008 374513 401152 428288 702016 749026 1404032 1498052 2621591 2808064 2996104 5243182 5992208 10486364 11984416 20972728 23968832 41945456 47937664 83890912 95875328 167781824 335563648 671127296