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2830121 = 71014003
BaseRepresentation
bin1010110010111100101001
312022210012022
422302330221
51211030441
6140354225
733025040
oct12627451
95283168
102830121
111663348
12b45975
13781238
14539557
153ad84b
hex2b2f29

2830121 has 8 divisors (see below), whose sum is σ = 3267264. Its totient is φ = 2401200.

The previous prime is 2830099. The next prime is 2830123. The reversal of 2830121 is 1210382.

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

It is a cyclic number.

It is not a de Polignac number, because 2830121 - 210 = 2829097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2830121.

It is not an unprimeable number, because it can be changed into a prime (2830123) 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, 1295 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (408408).

22830121 is an apocalyptic number.

It is an amenable number.

2830121 is a deficient number, since it is larger than the sum of its proper divisors (437143).

2830121 is a wasteful number, since it uses less digits than its factorization.

2830121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2830121 is about 1682.2963472587. The cubic root of 2830121 is about 141.4495818577.

The spelling of 2830121 in words is "two million, eight hundred thirty thousand, one hundred twenty-one".

Divisors: 1 7 101 707 4003 28021 404303 2830121