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1084108081 = 7331467893
BaseRepresentation
bin100000010011110…
…0010110100110001
32210112221101201011
41000213202310301
54210012424311
6255324110521
735602523650
oct10047426461
92715841634
101084108081
11506a504a1
12263095441
131437a8394
14a3da3197
1565297321
hex409e2d31

1084108081 has 8 divisors (see below), whose sum is σ = 1242726464. Its totient is φ = 926426160.

The previous prime is 1084108031. The next prime is 1084108087. The reversal of 1084108081 is 1808014801.

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 1084108081 - 27 = 1084107953 is a prime.

It is a super-2 number, since 2×10841080812 = 2350580662579005122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1084108087) 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, 231630 + ... + 236263.

It is an arithmetic number, because the mean of its divisors is an integer number (155340808).

Almost surely, 21084108081 is an apocalyptic number.

It is an amenable number.

1084108081 is a deficient number, since it is larger than the sum of its proper divisors (158618383).

1084108081 is an equidigital number, since it uses as much as digits as its factorization.

1084108081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468231.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 1084108081 is about 32925.7965886932. The cubic root of 1084108081 is about 1027.2847960884.

The spelling of 1084108081 in words is "one billion, eighty-four million, one hundred eight thousand, eighty-one".

Divisors: 1 7 331 2317 467893 3275251 154872583 1084108081