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3204743491 = 17917320551
BaseRepresentation
bin1011111100000100…
…1000000101000011
322021100021211121101
42333001020011003
523030403242431
61250000435231
7142262604325
oct27701100503
98240254541
103204743491
1113a4aa3244
12755318b17
133c0c3c931
142258a1615
1513b538961
hexbf048143

3204743491 has 8 divisors (see below), whose sum is σ = 3393792864. Its totient is φ = 3015753600.

The previous prime is 3204743473. The next prime is 3204743497. The reversal of 3204743491 is 1943474023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3204743491 - 29 = 3204742979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3204743491.

It is not an unprimeable number, because it can be changed into a prime (3204743497) 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 7 ways as a sum of consecutive naturals, for example, 145666 + ... + 166216.

It is an arithmetic number, because the mean of its divisors is an integer number (424224108).

Almost surely, 23204743491 is an apocalyptic number.

3204743491 is a deficient number, since it is larger than the sum of its proper divisors (189049373).

3204743491 is a wasteful number, since it uses less digits than its factorization.

3204743491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29741.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 3204743491 is about 56610.4539020842. The cubic root of 3204743491 is about 1474.3403720662.

The spelling of 3204743491 in words is "three billion, two hundred four million, seven hundred forty-three thousand, four hundred ninety-one".

Divisors: 1 17 9173 20551 155941 349367 188514323 3204743491