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6871072 = 251383199
BaseRepresentation
bin11010001101100000100000
3110221002100011
4122031200200
53224333242
6403134304
7112255165
oct32154040
913832304
106871072
11397337a
122374394
131567630
14cac06c
1590ad17
hex68d820

6871072 has 48 divisors (see below), whose sum is σ = 14817600. Its totient is φ = 3117312.

The previous prime is 6871061. The next prime is 6871087. The reversal of 6871072 is 2701786.

It is a happy 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, 34429 + ... + 34627.

It is an arithmetic number, because the mean of its divisors is an integer number (308700).

Almost surely, 26871072 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 6871072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7408800).

6871072 is an abundant number, since it is smaller than the sum of its proper divisors (7946528).

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

6871072 is a wasteful number, since it uses less digits than its factorization.

6871072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 6871072 is about 2621.2729731945. The cubic root of 6871072 is about 190.1114028124. Note that the first 3 decimals are identical.

The spelling of 6871072 in words is "six million, eight hundred seventy-one thousand, seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 83 104 166 199 208 332 398 416 664 796 1079 1328 1592 2158 2587 2656 3184 4316 5174 6368 8632 10348 16517 17264 20696 33034 34528 41392 66068 82784 132136 214721 264272 429442 528544 858884 1717768 3435536 6871072