Search a number
-
+
1081344089 = 7431358417
BaseRepresentation
bin100000001110100…
…0000000001011001
32210100201222020002
41000131000001121
54203311002324
6255144542345
735540162450
oct10035000131
92710658202
101081344089
11505432901
122621819b5
1314304b297
14a3883b97
1564ded3ae
hex40740059

1081344089 has 8 divisors (see below), whose sum is σ = 1238692608. Its totient is φ = 924713280.

The previous prime is 1081344073. The next prime is 1081344097. The reversal of 1081344089 is 9804431801.

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 1081344089 - 24 = 1081344073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081344029) 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, 176192 + ... + 182225.

It is an arithmetic number, because the mean of its divisors is an integer number (154836576).

Almost surely, 21081344089 is an apocalyptic number.

It is an amenable number.

1081344089 is a deficient number, since it is larger than the sum of its proper divisors (157348519).

1081344089 is an equidigital number, since it uses as much as digits as its factorization.

1081344089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358855.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1081344089 is about 32883.7967546328. The cubic root of 1081344089 is about 1026.4110137582.

The spelling of 1081344089 in words is "one billion, eighty-one million, three hundred forty-four thousand, eighty-nine".

Divisors: 1 7 431 3017 358417 2508919 154477727 1081344089