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870110049 = 31092660887
BaseRepresentation
bin110011110111001…
…101001101100001
32020122021011121010
4303313031031201
53240222010144
6222201251133
730363545664
oct6367151541
92218234533
10870110049
11407177616
12203493aa9
1310b35c823
14837b96db
15515c55b9
hex33dcd361

870110049 has 8 divisors (see below), whose sum is σ = 1170790720. Its totient is φ = 574751376.

The previous prime is 870110047. The next prime is 870110071. The reversal of 870110049 is 940011078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870110049 - 21 = 870110047 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 870109998 and 870110025.

It is not an unprimeable number, because it can be changed into a prime (870110047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330117 + ... + 1330770.

It is an arithmetic number, because the mean of its divisors is an integer number (146348840).

Almost surely, 2870110049 is an apocalyptic number.

It is an amenable number.

870110049 is a deficient number, since it is larger than the sum of its proper divisors (300680671).

870110049 is a wasteful number, since it uses less digits than its factorization.

870110049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660999.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 870110049 is about 29497.6278537783. The cubic root of 870110049 is about 954.6805210424.

The spelling of 870110049 in words is "eight hundred seventy million, one hundred ten thousand, forty-nine".

Divisors: 1 3 109 327 2660887 7982661 290036683 870110049