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1081342379 = 13367226649
BaseRepresentation
bin100000001110011…
…1111100110101011
32210100201212212202
41000130333212223
54203310424004
6255144530415
735540154455
oct10034774653
92710655782
101081342379
11505431597
12262180a0b
1314304a580
14a38832d5
1564decb1e
hex4073f9ab

1081342379 has 8 divisors (see below), whose sum is σ = 1167700800. Its totient is φ = 995438016.

The previous prime is 1081342369. The next prime is 1081342417. The reversal of 1081342379 is 9732431801.

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 1081342379 - 24 = 1081342363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081342349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 108554 + ... + 118095.

It is an arithmetic number, because the mean of its divisors is an integer number (145962600).

Almost surely, 21081342379 is an apocalyptic number.

1081342379 is a deficient number, since it is larger than the sum of its proper divisors (86358421).

1081342379 is a wasteful number, since it uses less digits than its factorization.

1081342379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227029.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1081342379 is about 32883.7707539753. The cubic root of 1081342379 is about 1026.4104727144.

The spelling of 1081342379 in words is "one billion, eighty-one million, three hundred forty-two thousand, three hundred seventy-nine".

Divisors: 1 13 367 4771 226649 2946437 83180183 1081342379