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2940385 = 5784011
BaseRepresentation
bin1011001101110111100001
312112101110011
423031313201
51223043020
6143004521
733664360
oct13156741
95471404
102940385
111729178
12b99741
137bc496
145677d7
153d135a
hex2cdde1

2940385 has 8 divisors (see below), whose sum is σ = 4032576. Its totient is φ = 2016240.

The previous prime is 2940317. The next prime is 2940391. The reversal of 2940385 is 5830492.

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

It is not a de Polignac number, because 2940385 - 29 = 2939873 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

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, 41971 + ... + 42040.

It is an arithmetic number, because the mean of its divisors is an integer number (504072).

22940385 is an apocalyptic number.

It is an amenable number.

2940385 is a deficient number, since it is larger than the sum of its proper divisors (1092191).

2940385 is an equidigital number, since it uses as much as digits as its factorization.

2940385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84023.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2940385 is about 1714.7550845529. The cubic root of 2940385 is about 143.2632281409.

The spelling of 2940385 in words is "two million, nine hundred forty thousand, three hundred eighty-five".

Divisors: 1 5 7 35 84011 420055 588077 2940385