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3857896 = 23768891
BaseRepresentation
bin1110101101110111101000
321021000001001
432231313220
51441423041
6214404344
744535340
oct16556750
97230031
103857896
1121a5549
1213606b4
13a50ca3
14725d20
15513131
hex3adde8

3857896 has 16 divisors (see below), whose sum is σ = 8267040. Its totient is φ = 1653360.

The previous prime is 3857891. The next prime is 3857911. The reversal of 3857896 is 6987583.

It is a d-powerful number, because it can be written as 34 + 83 + 57 + 74 + 87 + 9 + 68 .

It is not an unprimeable number, because it can be changed into a prime (3857891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34390 + ... + 34501.

It is an arithmetic number, because the mean of its divisors is an integer number (516690).

Almost surely, 23857896 is an apocalyptic number.

It is an amenable number.

3857896 is an abundant number, since it is smaller than the sum of its proper divisors (4409144).

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

3857896 is a wasteful number, since it uses less digits than its factorization.

3857896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68904 (or 68900 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 3857896 is about 1964.1527435513. The cubic root of 3857896 is about 156.8375942413.

It can be divided in two parts, 3857 and 896, that added together give a triangular number (4753 = T97).

The spelling of 3857896 in words is "three million, eight hundred fifty-seven thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 68891 137782 275564 482237 551128 964474 1928948 3857896