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3834981 = 32601709
BaseRepresentation
bin1110101000010001100101
321012211121100
432220101211
51440204411
6214110313
744411463
oct16502145
97184540
103834981
11218a307
12134b399
13a43727
1471b833
1550b456
hex3a8465

3834981 has 12 divisors (see below), whose sum is σ = 5556460. Its totient is φ = 2548800.

The previous prime is 3834967. The next prime is 3834983. The reversal of 3834981 is 1894383.

It can be written as a sum of positive squares in 2 ways, for example, as 1846881 + 1988100 = 1359^2 + 1410^2 .

It is not a de Polignac number, because 3834981 - 215 = 3802213 is a prime.

It is a super-2 number, since 2×38349812 = 29414158540722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3834983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5055 + ... + 5763.

Almost surely, 23834981 is an apocalyptic number.

It is an amenable number.

3834981 is a deficient number, since it is larger than the sum of its proper divisors (1721479).

3834981 is a wasteful number, since it uses less digits than its factorization.

3834981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1313 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3834981 is about 1958.3107516429. The cubic root of 3834981 is about 156.5264511766.

The spelling of 3834981 in words is "three million, eight hundred thirty-four thousand, nine hundred eighty-one".

Divisors: 1 3 9 601 709 1803 2127 5409 6381 426109 1278327 3834981