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3040025821 = 71922857337
BaseRepresentation
bin1011010100110011…
…0001110011011101
321211212100022102221
42311030301303131
522211221311241
61221354145341
7135222536020
oct26514616335
97755308387
103040025821
111320019438
1270a122251
13395a89a61
1420ba651b7
1512bd4d5d1
hexb5331cdd

3040025821 has 8 divisors (see below), whose sum is σ = 3657174080. Its totient is φ = 2468592288.

The previous prime is 3040025809. The next prime is 3040025827. The reversal of 3040025821 is 1285200403.

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 3040025821 - 25 = 3040025789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040025827) 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, 11428536 + ... + 11428801.

It is an arithmetic number, because the mean of its divisors is an integer number (457146760).

Almost surely, 23040025821 is an apocalyptic number.

It is an amenable number.

3040025821 is a deficient number, since it is larger than the sum of its proper divisors (617148259).

3040025821 is a wasteful number, since it uses less digits than its factorization.

3040025821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22857363.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3040025821 is about 55136.4291643918. The cubic root of 3040025821 is about 1448.6353901141.

The spelling of 3040025821 in words is "three billion, forty million, twenty-five thousand, eight hundred twenty-one".

Divisors: 1 7 19 133 22857337 160001359 434289403 3040025821