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2942885 = 51153507
BaseRepresentation
bin1011001110011110100101
312112111212202
423032132211
51223133020
6143024245
734004561
oct13163645
95474782
102942885
111730040
12b9b085
137c066a
145686a1
153d1e75
hex2ce7a5

2942885 has 8 divisors (see below), whose sum is σ = 3852576. Its totient is φ = 2140240.

The previous prime is 2942881. The next prime is 2942909. The reversal of 2942885 is 5882492.

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

It is not a de Polignac number, because 2942885 - 22 = 2942881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942881) by changing a digit.

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, 26699 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (481572).

22942885 is an apocalyptic number.

It is an amenable number.

2942885 is a deficient number, since it is larger than the sum of its proper divisors (909691).

2942885 is a wasteful number, since it uses less digits than its factorization.

2942885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53523.

The product of its digits is 46080, while the sum is 38.

The square root of 2942885 is about 1715.4838967475. The cubic root of 2942885 is about 143.3038188133.

The spelling of 2942885 in words is "two million, nine hundred forty-two thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 53507 267535 588577 2942885