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2930390 = 251811619
BaseRepresentation
bin1011001011011011010110
312111212201222
423023123112
51222233030
6142450342
733623261
oct13133326
95455658
102930390
111721711
12b939b2
137b7a78
14563cd8
153cd3e5
hex2cb6d6

2930390 has 16 divisors (see below), whose sum is σ = 5307120. Its totient is φ = 1164960.

The previous prime is 2930381. The next prime is 2930401. The reversal of 2930390 is 930392.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (331695).

22930390 is an apocalyptic number.

2930390 is a deficient number, since it is larger than the sum of its proper divisors (2376730).

2930390 is a wasteful number, since it uses less digits than its factorization.

2930390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 2930390 is about 1711.8381932881. The cubic root of 2930390 is about 143.1007163723.

The spelling of 2930390 in words is "two million, nine hundred thirty thousand, three hundred ninety".

Divisors: 1 2 5 10 181 362 905 1619 1810 3238 8095 16190 293039 586078 1465195 2930390