Search a number
-
+
1081000684 = 22270250171
BaseRepresentation
bin100000001101110…
…1100001011101100
32210100002112011101
41000123230023230
54203214010214
6255133332444
735534232331
oct10033541354
92710075141
101081000684
115052188a5
12262037124
13142c5ab9a
14a37d4988
1564d81774
hex406ec2ec

1081000684 has 6 divisors (see below), whose sum is σ = 1891751204. Its totient is φ = 540500340.

The previous prime is 1081000681. The next prime is 1081000691. The reversal of 1081000684 is 4860001801.

It is not an unprimeable number, because it can be changed into a prime (1081000681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135125082 + ... + 135125089.

Almost surely, 21081000684 is an apocalyptic number.

It is an amenable number.

1081000684 is a deficient number, since it is larger than the sum of its proper divisors (810750520).

1081000684 is a wasteful number, since it uses less digits than its factorization.

1081000684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270250175 (or 270250173 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1081000684 is about 32878.5748474596. The cubic root of 1081000684 is about 1026.3023489967.

The spelling of 1081000684 in words is "one billion, eighty-one million, six hundred eighty-four", and thus it is an aban number.

Divisors: 1 2 4 270250171 540500342 1081000684