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870985083 = 3319365431
BaseRepresentation
bin110011111010100…
…010110101111011
32020200220121220210
4303322202311323
53240433010313
6222232122203
730404152053
oct6372426573
92220817823
10870985083
11407714a91
12203836363
1310b5a7bb7
1483966563
15516e99c3
hex33ea2d7b

870985083 has 8 divisors (see below), whose sum is σ = 1198775296. Its totient is φ = 561925800.

The previous prime is 870985067. The next prime is 870985097. The reversal of 870985083 is 380589078.

It is a happy number.

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

It is not a de Polignac number, because 870985083 - 24 = 870985067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870935083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4682623 + ... + 4682808.

It is an arithmetic number, because the mean of its divisors is an integer number (149846912).

Almost surely, 2870985083 is an apocalyptic number.

870985083 is a deficient number, since it is larger than the sum of its proper divisors (327790213).

870985083 is a wasteful number, since it uses less digits than its factorization.

870985083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9365465.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 870985083 is about 29512.4564040339. The cubic root of 870985083 is about 955.0004415082. Note that the first 3 decimals are identical.

The spelling of 870985083 in words is "eight hundred seventy million, nine hundred eighty-five thousand, eighty-three".

Divisors: 1 3 31 93 9365431 28096293 290328361 870985083