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1081344379 = 23233201781
BaseRepresentation
bin100000001110100…
…0000000101111011
32210100201222121211
41000131000011323
54203311010004
6255144543551
735540163343
oct10035000573
92710658554
101081344379
11505433045
12262181bb7
1314304b45b
14a3883d23
1564ded504
hex4074017b

1081344379 has 8 divisors (see below), whose sum is σ = 1133207712. Its totient is φ = 1029885120.

The previous prime is 1081344353. The next prime is 1081344409. The reversal of 1081344379 is 9734431801.

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 1081344379 - 225 = 1047789947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081344679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95532 + ... + 106249.

It is an arithmetic number, because the mean of its divisors is an integer number (141650964).

Almost surely, 21081344379 is an apocalyptic number.

1081344379 is a deficient number, since it is larger than the sum of its proper divisors (51863333).

1081344379 is a wasteful number, since it uses less digits than its factorization.

1081344379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202037.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1081344379 is about 32883.8011640990. The cubic root of 1081344379 is about 1026.4111055142.

The spelling of 1081344379 in words is "one billion, eighty-one million, three hundred forty-four thousand, three hundred seventy-nine".

Divisors: 1 23 233 5359 201781 4640963 47014973 1081344379