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3040008638 = 27925037687
BaseRepresentation
bin1011010100110010…
…1101100110111110
321211212022102212112
42311030231212332
522211220234023
61221353534022
7135222434642
oct26514554676
97755272775
103040008638
111320007537
1270a114312
13395a81ca4
1420ba5cc22
1512bd48478
hexb532d9be

3040008638 has 16 divisors (see below), whose sum is σ = 4620180480. Its totient is φ = 1499969016.

The previous prime is 3040008637. The next prime is 3040008667. The reversal of 3040008638 is 8368000403.

It is a super-2 number, since 2×30400086382 = 18483305038229230088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040008637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391631 + ... + 399317.

It is an arithmetic number, because the mean of its divisors is an integer number (288761280).

Almost surely, 23040008638 is an apocalyptic number.

3040008638 is a deficient number, since it is larger than the sum of its proper divisors (1580171842).

3040008638 is a wasteful number, since it uses less digits than its factorization.

3040008638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3040008638 is about 55136.2733416033. The cubic root of 3040008638 is about 1448.6326607569.

The spelling of 3040008638 in words is "three billion, forty million, eight thousand, six hundred thirty-eight".

Divisors: 1 2 79 158 2503 5006 7687 15374 197737 395474 607273 1214546 19240561 38481122 1520004319 3040008638