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2830446 = 232157247
BaseRepresentation
bin1010110011000001101110
312022210122100
422303001232
51211033241
6140355530
733026013
oct12630156
95283570
102830446
111663613
12b45ba6
13781428
1453970a
153ad9b6
hex2b306e

2830446 has 12 divisors (see below), whose sum is σ = 6132672. Its totient is φ = 943476.

The previous prime is 2830439. The next prime is 2830469. The reversal of 2830446 is 6440382.

2830446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×28304462 = 16022849117832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78606 + ... + 78641.

It is an arithmetic number, because the mean of its divisors is an integer number (511056).

22830446 is an apocalyptic number.

2830446 is an abundant number, since it is smaller than the sum of its proper divisors (3302226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2830446 is a wasteful number, since it uses less digits than its factorization.

2830446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157255 (or 157252 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2830446 is about 1682.3929386442. The cubic root of 2830446 is about 141.4549961556.

The spelling of 2830446 in words is "two million, eight hundred thirty thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 18 157247 314494 471741 943482 1415223 2830446