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1938034806 = 23735098693
BaseRepresentation
bin111001110000100…
…0001000001110110
312000001202100221220
41303201001001312
512432114103211
6520150451210
766012011151
oct16341010166
95001670856
101938034806
11904a74264
12461063b06
1324b68ca76
14145568c98
15b5222806
hex73841076

1938034806 has 32 divisors (see below), whose sum is σ = 3937338720. Its totient is φ = 635837184.

The previous prime is 1938034771. The next prime is 1938034817. The reversal of 1938034806 is 6084308391.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 218596 + ... + 227288.

It is an arithmetic number, because the mean of its divisors is an integer number (123041835).

Almost surely, 21938034806 is an apocalyptic number.

1938034806 is an abundant number, since it is smaller than the sum of its proper divisors (1999303914).

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

1938034806 is a wasteful number, since it uses less digits than its factorization.

1938034806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1938034806 is about 44023.1167229218. The cubic root of 1938034806 is about 1246.7724320301.

The spelling of 1938034806 in words is "one billion, nine hundred thirty-eight million, thirty-four thousand, eight hundred six".

Divisors: 1 2 3 6 73 146 219 438 509 1018 1527 3054 8693 17386 26079 37157 52158 74314 111471 222942 634589 1269178 1903767 3807534 4424737 8849474 13274211 26548422 323005801 646011602 969017403 1938034806