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1068408487 = 4324846709
BaseRepresentation
bin111111101011101…
…001111010100111
32202110101202220201
4333223221322213
54142003032422
6254003411331
735322215356
oct7753517247
92673352821
101068408487
114a90a8123
12259983b47
1314046c493
14a1c7799d
1563be5727
hex3fae9ea7

1068408487 has 4 divisors (see below), whose sum is σ = 1093255240. Its totient is φ = 1043561736.

The previous prime is 1068408479. The next prime is 1068408533. The reversal of 1068408487 is 7848048601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1068408487 - 23 = 1068408479 is a prime.

It is a super-2 number, since 2×10684084872 = 2282993390187258338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068403487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12423312 + ... + 12423397.

It is an arithmetic number, because the mean of its divisors is an integer number (273313810).

Almost surely, 21068408487 is an apocalyptic number.

1068408487 is a deficient number, since it is larger than the sum of its proper divisors (24846753).

1068408487 is an equidigital number, since it uses as much as digits as its factorization.

1068408487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24846752.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 1068408487 is about 32686.5184288569. The cubic root of 1068408487 is about 1022.3017629693.

The spelling of 1068408487 in words is "one billion, sixty-eight million, four hundred eight thousand, four hundred eighty-seven".

Divisors: 1 43 24846709 1068408487