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3230221040 = 24540377763
BaseRepresentation
bin1100000010001001…
…0100001011110000
322100010020020020022
43000202110023300
523103414033130
61252310503012
7143022266024
oct30042241360
98303206208
103230221040
111408414972
12761964a68
133c62c02c7
14229014384
1513d8bc7e5
hexc08942f0

3230221040 has 20 divisors (see below), whose sum is σ = 7510264104. Its totient is φ = 1292088384.

The previous prime is 3230221037. The next prime is 3230221061. The reversal of 3230221040 is 401220323.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20188802 + ... + 20188961.

Almost surely, 23230221040 is an apocalyptic number.

It is an amenable number.

3230221040 is an abundant number, since it is smaller than the sum of its proper divisors (4280043064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3230221040 is a wasteful number, since it uses less digits than its factorization.

3230221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40377776 (or 40377770 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3230221040 is about 56835.0335620557. The cubic root of 3230221040 is about 1478.2370413099.

Adding to 3230221040 its reverse (401220323), we get a palindrome (3631441363).

The spelling of 3230221040 in words is "three billion, two hundred thirty million, two hundred twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 40377763 80755526 161511052 201888815 323022104 403777630 646044208 807555260 1615110520 3230221040