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3905424212 = 221794760647
BaseRepresentation
bin1110100011001000…
…0000101101010100
3101002011202002212012
43220302000231110
530444242033322
61443310443352
7165531362264
oct35062005524
911064662765
103905424212
111724568018
1290bb03558
134a3159b01
142909757a4
1517cce2ae2
hexe8c80b54

3905424212 has 24 divisors (see below), whose sum is σ = 7244282304. Its totient is φ = 1835875712.

The previous prime is 3905424191. The next prime is 3905424253. The reversal of 3905424212 is 2124245093.

It is a super-3 number, since 3×39054242123 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34073 + ... + 94719.

It is an arithmetic number, because the mean of its divisors is an integer number (301845096).

Almost surely, 23905424212 is an apocalyptic number.

It is an amenable number.

3905424212 is a deficient number, since it is larger than the sum of its proper divisors (3338858092).

3905424212 is a wasteful number, since it uses less digits than its factorization.

3905424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61615 (or 61613 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3905424212 is about 62493.3933468171. The cubic root of 3905424212 is about 1574.7903255943.

The spelling of 3905424212 in words is "three billion, nine hundred five million, four hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 947 1894 3788 16099 32198 60647 64396 121294 242588 1030999 2061998 4123996 57432709 114865418 229730836 976356053 1952712106 3905424212