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1152804081 = 3111319233607
BaseRepresentation
bin100010010110110…
…0110010011110001
32222100012111220110
41010231212103301
54330104212311
6310220331533
740365446562
oct10455462361
92870174813
101152804081
11541800850
122820a3ba9
13154aab4c0
14ad166169
156b3168a6
hex44b664f1

1152804081 has 64 divisors (see below), whose sum is σ = 1912135680. Its totient is φ = 607357440.

The previous prime is 1152804053. The next prime is 1152804131. The reversal of 1152804081 is 1804082511.

It is a happy number.

It is not a de Polignac number, because 1152804081 - 217 = 1152673009 is a prime.

It is a super-2 number, since 2×11528040812 = 2657914498340509122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1152804041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1898880 + ... + 1899486.

It is an arithmetic number, because the mean of its divisors is an integer number (29877120).

Almost surely, 21152804081 is an apocalyptic number.

1152804081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1152804081 is a deficient number, since it is larger than the sum of its proper divisors (759331599).

1152804081 is a wasteful number, since it uses less digits than its factorization.

1152804081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 1152804081 is about 33952.9686625485. The cubic root of 1152804081 is about 1048.5404000753.

Adding to 1152804081 its reverse (1804082511), we get a palindrome (2956886592).

The spelling of 1152804081 in words is "one billion, one hundred fifty-two million, eight hundred four thousand, eighty-one".

Divisors: 1 3 11 13 19 33 39 57 143 209 233 247 429 607 627 699 741 1821 2563 2717 3029 4427 6677 7689 7891 8151 9087 11533 13281 20031 23673 33319 34599 48697 57551 86801 99957 126863 141431 146091 149929 172653 260403 380589 424293 449787 633061 1555741 1649219 1838603 1899183 2687189 4667223 4947657 5515809 8061567 20224633 29559079 34933457 60673899 88677237 104800371 384268027 1152804081