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1090915033 = 13611375681
BaseRepresentation
bin100000100000110…
…0000101011011001
32211000202020002111
41001001200223121
54213233240113
6300130032321
736014424205
oct10101405331
92730666074
101090915033
1150a87a67a
122654186a1
1314501c770
14a4c55b05
1565b8e13d
hex41060ad9

1090915033 has 8 divisors (see below), whose sum is σ = 1194091976. Its totient is φ = 990489600.

The previous prime is 1090915013. The next prime is 1090915043. The reversal of 1090915033 is 3305190901.

It can be written as a sum of positive squares in 4 ways, for example, as 19465744 + 1071449289 = 4412^2 + 32733^2 .

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 1090915033 - 217 = 1090783961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090914986 and 1090915004.

It is not an unprimeable number, because it can be changed into a prime (1090915013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687048 + ... + 688633.

It is an arithmetic number, because the mean of its divisors is an integer number (149261497).

Almost surely, 21090915033 is an apocalyptic number.

1090915033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1090915033 is a deficient number, since it is larger than the sum of its proper divisors (103176943).

1090915033 is a wasteful number, since it uses less digits than its factorization.

1090915033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375755.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 1090915033 is about 33029.0029065366. The cubic root of 1090915033 is about 1029.4303674672.

The spelling of 1090915033 in words is "one billion, ninety million, nine hundred fifteen thousand, thirty-three".

Divisors: 1 13 61 793 1375681 17883853 83916541 1090915033