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4871681 = 29315419
BaseRepresentation
bin10010100101011000000001
3100011111200122
4102211120001
52221343211
6252230025
756260103
oct22453001
910144618
104871681
112828191
12176b315
131017569
1490b573
156636db
hex4a5601

4871681 has 8 divisors (see below), whose sum is σ = 5203200. Its totient is φ = 4551120.

The previous prime is 4871663. The next prime is 4871687. The reversal of 4871681 is 1861784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4871681 - 26 = 4871617 is a prime.

It is a super-2 number, since 2×48716812 = 47466551531522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4871687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (650400).

Almost surely, 24871681 is an apocalyptic number.

It is an amenable number.

4871681 is a deficient number, since it is larger than the sum of its proper divisors (331519).

4871681 is a wasteful number, since it uses less digits than its factorization.

4871681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its digits is 10752, while the sum is 35.

The square root of 4871681 is about 2207.1884831160. The cubic root of 4871681 is about 169.5220833095.

The spelling of 4871681 in words is "four million, eight hundred seventy-one thousand, six hundred eighty-one".

Divisors: 1 29 31 899 5419 157151 167989 4871681