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2891080484 = 221215759453
BaseRepresentation
bin1010110001010010…
…0110001100100100
321110111002002211222
42230110212030210
521410104033414
61154513515512
7131433531035
oct25424461444
97414062758
102891080484
111253a37616
12688272b98
13370c69c16
141d5d72a8c
1511dc2b68e
hexac526324

2891080484 has 12 divisors (see below), whose sum is σ = 5059892124. Its totient is φ = 1445397024.

The previous prime is 2891080457. The next prime is 2891080541. The reversal of 2891080484 is 4840801982.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1130438884 + 1760641600 = 33622^2 + 41960^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 18902 + ... + 78354.

It is an arithmetic number, because the mean of its divisors is an integer number (421657677).

Almost surely, 22891080484 is an apocalyptic number.

It is an amenable number.

2891080484 is a deficient number, since it is larger than the sum of its proper divisors (2168811640).

2891080484 is a wasteful number, since it uses less digits than its factorization.

2891080484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71614 (or 71612 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2891080484 is about 53768.7686673221. The cubic root of 2891080484 is about 1424.5796209874.

The spelling of 2891080484 in words is "two billion, eight hundred ninety-one million, eighty thousand, four hundred eighty-four".

Divisors: 1 2 4 12157 24314 48628 59453 118906 237812 722770121 1445540242 2891080484