Search a number
-
+
2291082432 = 26311932721
BaseRepresentation
bin1000100010001111…
…0010010011000000
312220200002001020220
42020203302103000
514143004114212
61015201503040
7110526610422
oct21043622300
95820061226
102291082432
11a76290161
1253b341a80
132a68721a2
1417a3ca812
15d620e38c
hex888f24c0

2291082432 has 28 divisors (see below), whose sum is σ = 6061822776. Its totient is φ = 763694080.

The previous prime is 2291082427. The next prime is 2291082481. The reversal of 2291082432 is 2342801922.

It is a junction number, because it is equal to n+sod(n) for n = 2291082393 and 2291082402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5966169 + ... + 5966552.

Almost surely, 22291082432 is an apocalyptic number.

It is an amenable number.

2291082432 is an abundant number, since it is smaller than the sum of its proper divisors (3770740344).

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

2291082432 is a wasteful number, since it uses less digits than its factorization.

2291082432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932736 (or 11932726 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2291082432 is about 47865.2528667717. The cubic root of 2291082432 is about 1318.2979347850.

It can be divided in two parts, 229108 and 2432, that added together give a triangular number (231540 = T680).

The spelling of 2291082432 in words is "two billion, two hundred ninety-one million, eighty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 11932721 23865442 35798163 47730884 71596326 95461768 143192652 190923536 286385304 381847072 572770608 763694144 1145541216 2291082432