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2796406144 = 2773120989
BaseRepresentation
bin1010011010101101…
…1100010110000000
321012212221011001221
42212223130112000
521211334444034
61141252404424
7126204026410
oct24653342600
97185834057
102796406144
111205553364
12660616714
1335746c4bc
141c756a640
15115779bb4
hexa6adc580

2796406144 has 32 divisors (see below), whose sum is σ = 6366819600. Its totient is φ = 1198459392.

The previous prime is 2796406097. The next prime is 2796406147. The reversal of 2796406144 is 4416046972.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2796406144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2796406147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559599 + ... + 1561390.

Almost surely, 22796406144 is an apocalyptic number.

It is an amenable number.

2796406144 is an abundant number, since it is smaller than the sum of its proper divisors (3570413456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2796406144 is an equidigital number, since it uses as much as digits as its factorization.

2796406144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121010 (or 3120998 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 2796406144 is about 52881.0565703826. The cubic root of 2796406144 is about 1408.8564649735.

The spelling of 2796406144 in words is "two billion, seven hundred ninety-six million, four hundred six thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 3120989 6241978 12483956 21846923 24967912 43693846 49935824 87387692 99871648 174775384 199743296 349550768 399486592 699101536 1398203072 2796406144