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8282858421 = 39728463431
BaseRepresentation
bin1111011011011001…
…00110001110110101
3210101020122210201010
413231230212032311
5113430402432141
63445522222433
7412154064165
oct75554461665
923336583633
108282858421
113570504142
121731ab4a19
13a2001b876
145880985a5
15337270416
hex1edb263b5

8282858421 has 8 divisors (see below), whose sum is σ = 11157665344. Its totient is φ = 5464978560.

The previous prime is 8282858393. The next prime is 8282858453. The reversal of 8282858421 is 1248582828.

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 8282858421 - 27 = 8282858293 is a prime.

It is a super-2 number, since 2×82828584212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8282858471) 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, 14231425 + ... + 14232006.

It is an arithmetic number, because the mean of its divisors is an integer number (1394708168).

Almost surely, 28282858421 is an apocalyptic number.

It is an amenable number.

8282858421 is a deficient number, since it is larger than the sum of its proper divisors (2874806923).

8282858421 is a wasteful number, since it uses less digits than its factorization.

8282858421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28463531.

The product of its digits is 655360, while the sum is 48.

The square root of 8282858421 is about 91010.2105315662. The cubic root of 8282858421 is about 2023.2990580468.

The spelling of 8282858421 in words is "eight billion, two hundred eighty-two million, eight hundred fifty-eight thousand, four hundred twenty-one".

Divisors: 1 3 97 291 28463431 85390293 2760952807 8282858421