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3224230021 = 21115280711
BaseRepresentation
bin1100000000101101…
…1101100010000101
322022200221212002201
43000023131202011
523100400330041
61251534234501
7142620334345
oct30013354205
98280855081
103224230021
111404aa2811
1275b955a31
133c4ca341c
142282d4d25
1513d0d7631
hexc02dd885

3224230021 has 4 divisors (see below), whose sum is σ = 3239510944. Its totient is φ = 3208949100.

The previous prime is 3224230019. The next prime is 3224230049. The reversal of 3224230021 is 1200324223.

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 not a de Polignac number, because 3224230021 - 21 = 3224230019 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 (3224230621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7640145 + ... + 7640566.

It is an arithmetic number, because the mean of its divisors is an integer number (809877736).

Almost surely, 23224230021 is an apocalyptic number.

It is an amenable number.

3224230021 is a deficient number, since it is larger than the sum of its proper divisors (15280923).

3224230021 is a wasteful number, since it uses less digits than its factorization.

3224230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280922.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3224230021 is about 56782.3037662263. The cubic root of 3224230021 is about 1477.3225913039.

Adding to 3224230021 its reverse (1200324223), we get a palindrome (4424554244).

The spelling of 3224230021 in words is "three billion, two hundred twenty-four million, two hundred thirty thousand, twenty-one".

Divisors: 1 211 15280711 3224230021