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2940080305 = 54597127913
BaseRepresentation
bin1010111100111110…
…0001000010110001
321120220021112222011
42233033201002301
522010130032210
61203424042521
7132600161461
oct25717410261
97526245864
102940080305
111279664938
126a0763441
1337b164cb6
141dc689ba1
151231a9d8a
hexaf3e10b1

2940080305 has 8 divisors (see below), whose sum is σ = 3528891432. Its totient is φ = 2351534208.

The previous prime is 2940080293. The next prime is 2940080359. The reversal of 2940080305 is 5030800492.

2940080305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17272336 + 2922807969 = 4156^2 + 54063^2 .

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 2940080305 - 27 = 2940080177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40972 + ... + 86941.

It is an arithmetic number, because the mean of its divisors is an integer number (441111429).

Almost surely, 22940080305 is an apocalyptic number.

It is an amenable number.

2940080305 is a deficient number, since it is larger than the sum of its proper divisors (588811127).

2940080305 is a wasteful number, since it uses less digits than its factorization.

2940080305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132515.

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

The square root of 2940080305 is about 54222.5073654843. The cubic root of 2940080305 is about 1432.5827945815.

Adding to 2940080305 its reverse (5030800492), we get a palindrome (7970880797).

The spelling of 2940080305 in words is "two billion, nine hundred forty million, eighty thousand, three hundred five".

Divisors: 1 5 4597 22985 127913 639565 588016061 2940080305