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2928819427 = 10968339341
BaseRepresentation
bin1010111010010010…
…0011110011100011
321120010002102221121
42232210203303203
521444234210202
61202342433111
7132402361102
oct25644436343
97503072847
102928819427
111273273426
12698a32797
13378a21561
141dad98039
151221d3537
hexae923ce3

2928819427 has 8 divisors (see below), whose sum is σ = 2960092080. Its totient is φ = 2897627040.

The previous prime is 2928819409. The next prime is 2928819433. The reversal of 2928819427 is 7249188292.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2928819427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2928819227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54777 + ... + 94117.

It is an arithmetic number, because the mean of its divisors is an integer number (370011510).

Almost surely, 22928819427 is an apocalyptic number.

2928819427 is a deficient number, since it is larger than the sum of its proper divisors (31272653).

2928819427 is a wasteful number, since it uses less digits than its factorization.

2928819427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40133.

The product of its digits is 1161216, while the sum is 52.

The square root of 2928819427 is about 54118.5682275501. The cubic root of 2928819427 is about 1430.7514636450.

The spelling of 2928819427 in words is "two billion, nine hundred twenty-eight million, eight hundred nineteen thousand, four hundred twenty-seven".

Divisors: 1 109 683 39341 74447 4288169 26869903 2928819427