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3087246969 = 32185212
BaseRepresentation
bin1011100000000011…
…1010011001111001
321222011012101200100
42320000322121321
522310313400334
61230202230013
7136335111012
oct27000723171
97864171610
103087246969
111344741384
12721ab5309
133a27b1371
14214038009
15131079c99
hexb803a679

3087246969 has 9 divisors (see below), whose sum is σ = 4459597519. Its totient is φ = 2058053520.

The previous prime is 3087246949. The next prime is 3087246973. The reversal of 3087246969 is 9696427803.

It is a happy number.

The square root of 3087246969 is 55563.

It is a perfect power (a square), and thus also a powerful number.

3087246969 is a `hidden beast` number, since 308 + 7 + 246 + 96 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3070600569 + 16646400 = 55413^2 + 4080^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3087246969 - 211 = 3087244921 is a prime.

It is a super-2 number, since 2×30872469692 = 19062187695199373922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3087246919) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 157429 + ... + 175949.

Almost surely, 23087246969 is an apocalyptic number.

3087246969 is the 55563-rd square number.

3087246969 is the 27782-nd centered octagonal number.

It is an amenable number.

3087246969 is a deficient number, since it is larger than the sum of its proper divisors (1372350550).

3087246969 is an frugal number, since it uses more digits than its factorization.

3087246969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37048 (or 18524 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The cubic root of 3087246969 is about 1456.0975047473.

It can be divided in two parts, 30872 and 46969, that added together give a square (77841 = 2792).

The spelling of 3087246969 in words is "three billion, eighty-seven million, two hundred forty-six thousand, nine hundred sixty-nine".

Divisors: 1 3 9 18521 55563 166689 343027441 1029082323 3087246969