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3056123440 = 245208918287
BaseRepresentation
bin1011011000101000…
…1011111000110000
321212222122011020001
42312022023320300
522224331422230
61223131155344
7135506422606
oct26612137060
97788564201
103056123440
111329113857
127135a5b54
13399204b86
1420dc55876
1512d47d0ca
hexb628be30

3056123440 has 40 divisors (see below), whose sum is σ = 7109277120. Its totient is φ = 1221797376.

The previous prime is 3056123429. The next prime is 3056123479. The reversal of 3056123440 is 443216503.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3056123399 and 3056123408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157977 + ... + 176263.

It is an arithmetic number, because the mean of its divisors is an integer number (177731928).

Almost surely, 23056123440 is an apocalyptic number.

It is an amenable number.

3056123440 is an abundant number, since it is smaller than the sum of its proper divisors (4053153680).

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

3056123440 is a wasteful number, since it uses less digits than its factorization.

3056123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20389 (or 20383 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3056123440 is about 55282.2163086828. The cubic root of 3056123440 is about 1451.1878399733.

Adding to 3056123440 its reverse (443216503), we get a palindrome (3499339943).

The spelling of 3056123440 in words is "three billion, fifty-six million, one hundred twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2089 4178 8356 10445 16712 18287 20890 33424 36574 41780 73148 83560 91435 146296 167120 182870 292592 365740 731480 1462960 38201543 76403086 152806172 191007715 305612344 382015430 611224688 764030860 1528061720 3056123440