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2732988649 = 5903462983
BaseRepresentation
bin1010001011100110…
…0001100011101001
321001110121012121211
42202321201203221
521044121114044
61131105233121
7124504006636
oct24271414351
97043535554
102732988649
111182778906
126433327a1
13347296b61
141bcd7d18d
1510edee634
hexa2e618e9

2732988649 has 4 divisors (see below), whose sum is σ = 2733457536. Its totient is φ = 2732519764.

The previous prime is 2732988617. The next prime is 2732988667. The reversal of 2732988649 is 9468892372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2732988649 - 25 = 2732988617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2732988593 and 2732988602.

It is not an unprimeable number, because it can be changed into a prime (2732988749) 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, 225589 + ... + 237394.

It is an arithmetic number, because the mean of its divisors is an integer number (683364384).

Almost surely, 22732988649 is an apocalyptic number.

It is an amenable number.

2732988649 is a deficient number, since it is larger than the sum of its proper divisors (468887).

2732988649 is an equidigital number, since it uses as much as digits as its factorization.

2732988649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468886.

The product of its digits is 10450944, while the sum is 58.

The square root of 2732988649 is about 52277.9939266992. The cubic root of 2732988649 is about 1398.1248107121.

The spelling of 2732988649 in words is "two billion, seven hundred thirty-two million, nine hundred eighty-eight thousand, six hundred forty-nine".

Divisors: 1 5903 462983 2732988649