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3008856421 = 14321210101
BaseRepresentation
bin1011001101010111…
…1000000101100101
321202200200202001201
42303111320011211
522130231401141
61214322122501
7134363600104
oct26325700545
97680622051
103008856421
11130446a3aa
126bb7b0431
1338c49571c
1420787003b
15129243031
hexb3578165

3008856421 has 4 divisors (see below), whose sum is σ = 3009080844. Its totient is φ = 3008632000.

The previous prime is 3008856313. The next prime is 3008856427. The reversal of 3008856421 is 1246588003.

It is a happy number.

3008856421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146071396 + 2862785025 = 12086^2 + 53505^2 .

It is a cyclic number.

It is not a de Polignac number, because 3008856421 - 29 = 3008855909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3008856427) 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, 90730 + ... + 119371.

It is an arithmetic number, because the mean of its divisors is an integer number (752270211).

Almost surely, 23008856421 is an apocalyptic number.

It is an amenable number.

3008856421 is a deficient number, since it is larger than the sum of its proper divisors (224423).

3008856421 is a wasteful number, since it uses less digits than its factorization.

3008856421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224422.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 3008856421 is about 54853.0438626700. The cubic root of 3008856421 is about 1443.6674170363.

The spelling of 3008856421 in words is "three billion, eight million, eight hundred fifty-six thousand, four hundred twenty-one".

Divisors: 1 14321 210101 3008856421