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1910243442 = 23318373907
BaseRepresentation
bin111000111011100…
…0000000001110010
311221010110102101010
41301313000001302
512403010242232
6513315051350
765223541602
oct16167000162
94833412333
101910243442
118a0312198
124538a0b56
132459ac183
141419b2c02
15b2a830cc
hex71dc0072

1910243442 has 8 divisors (see below), whose sum is σ = 3820486896. Its totient is φ = 636747812.

The previous prime is 1910243431. The next prime is 1910243443. The reversal of 1910243442 is 2443420191.

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

1910243442 is an admirable number.

It is a super-3 number, since 3×19102434423 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1910243443) by changing a digit.

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, 159186948 + ... + 159186959.

It is an arithmetic number, because the mean of its divisors is an integer number (477560862).

Almost surely, 21910243442 is an apocalyptic number.

1910243442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1910243442 is a wasteful number, since it uses less digits than its factorization.

1910243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318373912.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1910243442 is about 43706.3318296102. The cubic root of 1910243442 is about 1240.7841558464.

The spelling of 1910243442 in words is "one billion, nine hundred ten million, two hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 318373907 636747814 955121721 1910243442