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3023565421 = 20991440479
BaseRepresentation
bin1011010000110111…
…1111001001101101
321210201101001000111
42310031333021231
522143013043141
61220005300021
7134632611352
oct26415771155
97721331014
103023565421
1113117a64a8
12704704611
13392545786
142097bc629
1512a69b381
hexb437f26d

3023565421 has 4 divisors (see below), whose sum is σ = 3025008000. Its totient is φ = 3022122844.

The previous prime is 3023565409. The next prime is 3023565451. The reversal of 3023565421 is 1245653203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3023565421 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 (3023565451) 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 3 ways as a sum of consecutive naturals, for example, 718141 + ... + 722338.

It is an arithmetic number, because the mean of its divisors is an integer number (756252000).

Almost surely, 23023565421 is an apocalyptic number.

It is an amenable number.

3023565421 is a deficient number, since it is larger than the sum of its proper divisors (1442579).

3023565421 is a wasteful number, since it uses less digits than its factorization.

3023565421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442578.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 3023565421 is about 54986.9568261420. The cubic root of 3023565421 is about 1446.0160828839.

The spelling of 3023565421 in words is "three billion, twenty-three million, five hundred sixty-five thousand, four hundred twenty-one".

Divisors: 1 2099 1440479 3023565421