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3280995742 = 21640497871
BaseRepresentation
bin1100001110010000…
…0000010110011110
322110122202212000211
43003210000112132
523204413330432
61301323043034
7144210001153
oct30344002636
98418685024
103280995742
111434044732
1277697047a
1340398a1cb
14231a7022a
1514309bd47
hexc390059e

3280995742 has 4 divisors (see below), whose sum is σ = 4921493616. Its totient is φ = 1640497870.

The previous prime is 3280995737. The next prime is 3280995779. The reversal of 3280995742 is 2475990823.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 820248934 + ... + 820248937.

It is an arithmetic number, because the mean of its divisors is an integer number (1230373404).

Almost surely, 23280995742 is an apocalyptic number.

3280995742 is a deficient number, since it is larger than the sum of its proper divisors (1640497874).

3280995742 is a wasteful number, since it uses less digits than its factorization.

3280995742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640497873.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 3280995742 is about 57279.9767981797. The cubic root of 3280995742 is about 1485.9421052385.

The spelling of 3280995742 in words is "three billion, two hundred eighty million, nine hundred ninety-five thousand, seven hundred forty-two".

Divisors: 1 2 1640497871 3280995742