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1338445914 = 231323777219
BaseRepresentation
bin100111111000111…
…0001000001011010
310110021112002121220
41033301301001122
510220120232124
6340451312510
745111413451
oct11761610132
93407462556
101338445914
11627577253
123142ab736
131843a9340
14c9a8bb98
157c786879
hex4fc7105a

1338445914 has 32 divisors (see below), whose sum is σ = 2884418880. Its totient is φ = 411599232.

The previous prime is 1338445897. The next prime is 1338445973. The reversal of 1338445914 is 4195448331.

It is a super-3 number, since 3×13384459143 (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181797 + ... + 189015.

It is an arithmetic number, because the mean of its divisors is an integer number (90138090).

Almost surely, 21338445914 is an apocalyptic number.

1338445914 is an abundant number, since it is smaller than the sum of its proper divisors (1545972966).

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

1338445914 is a wasteful number, since it uses less digits than its factorization.

1338445914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9614.

The product of its digits is 207360, while the sum is 42.

The square root of 1338445914 is about 36584.7770800917. Note that the first 3 decimals coincide. The cubic root of 1338445914 is about 1102.0474028333.

The spelling of 1338445914 in words is "one billion, three hundred thirty-eight million, four hundred forty-five thousand, nine hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 2377 4754 7131 7219 14262 14438 21657 30901 43314 61802 92703 93847 185406 187694 281541 563082 17159563 34319126 51478689 102957378 223074319 446148638 669222957 1338445914