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8257994441 = 29827344327
BaseRepresentation
bin1111011000011011…
…01111111011001001
3210022111212120201222
413230031233323021
5113403021310231
63443233251425
7411432536354
oct75415577311
923274776658
108257994441
1135584714a4
121725703b75
13a17b24558
14584a6529b
15334ead27b
hex1ec36fec9

8257994441 has 8 divisors (see below), whose sum is σ = 8553107520. Its totient is φ = 7963571728.

The previous prime is 8257994399. The next prime is 8257994519. The reversal of 8257994441 is 1444997528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8257994441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8257894441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148181 + ... + 196146.

It is an arithmetic number, because the mean of its divisors is an integer number (1069138440).

Almost surely, 28257994441 is an apocalyptic number.

It is an amenable number.

8257994441 is a deficient number, since it is larger than the sum of its proper divisors (295113079).

8257994441 is a wasteful number, since it uses less digits than its factorization.

8257994441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345183.

The product of its digits is 2903040, while the sum is 53.

The square root of 8257994441 is about 90873.5079162239. The cubic root of 8257994441 is about 2021.2724754620.

The spelling of 8257994441 in words is "eight billion, two hundred fifty-seven million, nine hundred ninety-four thousand, four hundred forty-one".

Divisors: 1 29 827 23983 344327 9985483 284758429 8257994441