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1913792242 = 24049236329
BaseRepresentation
bin111001000010010…
…0010011011110010
311221101010201102011
41302010202123302
512404412322432
6513523113134
765265652135
oct16204423362
94841121364
101913792242
118a231648a
12454b127aa
1324665255b
1414225821c
15b3034847
hex721226f2

1913792242 has 8 divisors (see below), whose sum is σ = 2871409500. Its totient is φ = 956655744.

The previous prime is 1913792227. The next prime is 1913792267. The reversal of 1913792242 is 2422973191.

It can be written as a sum of positive squares in 2 ways, for example, as 1894947961 + 18844281 = 43531^2 + 4341^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1913792195 and 1913792204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110067 + ... + 126262.

Almost surely, 21913792242 is an apocalyptic number.

1913792242 is a deficient number, since it is larger than the sum of its proper divisors (957617258).

1913792242 is a wasteful number, since it uses less digits than its factorization.

1913792242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240380.

The product of its digits is 54432, while the sum is 40.

The square root of 1913792242 is about 43746.9112281084. The cubic root of 1913792242 is about 1241.5520459054.

The spelling of 1913792242 in words is "one billion, nine hundred thirteen million, seven hundred ninety-two thousand, two hundred forty-two".

Divisors: 1 2 4049 8098 236329 472658 956896121 1913792242