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1384671942 = 233371136133
BaseRepresentation
bin101001010001000…
…0110101011000110
310120111111121211000
41102202012223012
510313434000232
6345222154130
746212342303
oct12242065306
93514447730
101384671942
1165067a585
12327882946
13190b42a14
14d1c820aa
158186827c
hex52886ac6

1384671942 has 64 divisors (see below), whose sum is σ = 3188698560. Its totient is φ = 445036032.

The previous prime is 1384671941. The next prime is 1384671943. The reversal of 1384671942 is 2491764831.

1384671942 is a `hidden beast` number, since 138 + 467 + 19 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (1384671941) and next prime (1384671943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384671941) 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 31 ways as a sum of consecutive naturals, for example, 222708 + ... + 228840.

It is an arithmetic number, because the mean of its divisors is an integer number (49823415).

Almost surely, 21384671942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384671942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594349280).

1384671942 is an abundant number, since it is smaller than the sum of its proper divisors (1804026618).

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

1384671942 is a wasteful number, since it uses less digits than its factorization.

1384671942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6288 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1384671942 is about 37211.1803360227. The cubic root of 1384671942 is about 1114.5912534488.

The spelling of 1384671942 in words is "one billion, three hundred eighty-four million, six hundred seventy-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 27 37 54 74 111 113 222 226 333 339 666 678 999 1017 1998 2034 3051 4181 6102 6133 8362 12266 12543 18399 25086 36798 37629 55197 75258 110394 112887 165591 225774 226921 331182 453842 680763 693029 1361526 1386058 2042289 2079087 4084578 4158174 6126867 6237261 12253734 12474522 18711783 25642073 37423566 51284146 76926219 153852438 230778657 461557314 692335971 1384671942