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2830465 = 51153971
BaseRepresentation
bin1010110011000010000001
312022210200001
422303002001
51211033330
6140400001
733026041
oct12630201
95283601
102830465
111663630
12b46001
13781441
14539721
153ad9ca
hex2b3081

2830465 has 16 divisors (see below), whose sum is σ = 3779136. Its totient is φ = 2017600.

The previous prime is 2830439. The next prime is 2830469. The reversal of 2830465 is 5640382.

It is not a de Polignac number, because 2830465 - 25 = 2830433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2830469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2430 + ... + 3400.

It is an arithmetic number, because the mean of its divisors is an integer number (236196).

22830465 is an apocalyptic number.

It is an amenable number.

2830465 is a deficient number, since it is larger than the sum of its proper divisors (948671).

2830465 is a wasteful number, since it uses less digits than its factorization.

2830465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2830465 is about 1682.3985853537. The cubic root of 2830465 is about 141.4553126710.

The spelling of 2830465 in words is "two million, eight hundred thirty thousand, four hundred sixty-five".

Divisors: 1 5 11 53 55 265 583 971 2915 4855 10681 51463 53405 257315 566093 2830465