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1942037413 = 10917816857
BaseRepresentation
bin111001111000001…
…0010001110100101
312000100021201111121
41303300102032211
512434130144123
6520412333541
766061021441
oct16360221645
95010251447
101942037413
119072584a8
124624742b1
1324c461884
14145ccb821
15b576375d
hex73c123a5

1942037413 has 4 divisors (see below), whose sum is σ = 1959854380. Its totient is φ = 1924220448.

The previous prime is 1942037401. The next prime is 1942037431. The reversal of 1942037413 is 3147302491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1780671204 + 161366209 = 42198^2 + 12703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1942037413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942037473) 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, 8908320 + ... + 8908537.

It is an arithmetic number, because the mean of its divisors is an integer number (489963595).

Almost surely, 21942037413 is an apocalyptic number.

It is an amenable number.

1942037413 is a deficient number, since it is larger than the sum of its proper divisors (17816967).

1942037413 is a wasteful number, since it uses less digits than its factorization.

1942037413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17816966.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1942037413 is about 44068.5535614683. The cubic root of 1942037413 is about 1247.6301580252.

The spelling of 1942037413 in words is "one billion, nine hundred forty-two million, thirty-seven thousand, four hundred thirteen".

Divisors: 1 109 17816857 1942037413