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3281904742 = 27922411091
BaseRepresentation
bin1100001110011101…
…1110010001100110
322110201111000221111
43003213132101212
523210131422432
61301354335234
7144220505254
oct30347362146
98421430844
103281904742
111434605676
1277712a51a
13403c17b8c
14231c295d4
151431cb347
hexc39de466

3281904742 has 24 divisors (see below), whose sum is σ = 5011238232. Its totient is φ = 1611979200.

The previous prime is 3281904739. The next prime is 3281904763. The reversal of 3281904742 is 2474091823.

It is a junction number, because it is equal to n+sod(n) for n = 3281904695 and 3281904704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3007617 + ... + 3008707.

It is an arithmetic number, because the mean of its divisors is an integer number (208801593).

Almost surely, 23281904742 is an apocalyptic number.

3281904742 is a deficient number, since it is larger than the sum of its proper divisors (1729333490).

3281904742 is a wasteful number, since it uses less digits than its factorization.

3281904742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 3281904742 is about 57287.9109585958. The cubic root of 3281904742 is about 1486.0793193406.

The spelling of 3281904742 in words is "three billion, two hundred eighty-one million, nine hundred four thousand, seven hundred forty-two".

Divisors: 1 2 79 158 241 482 1091 2182 6241 12482 19039 38078 86189 172378 262931 525862 1504081 3008162 6808931 13617862 20771549 41543098 1640952371 3281904742