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1051568056 = 2371111315107
BaseRepresentation
bin111110101011011…
…010011110111000
32201021201012012001
4332223122132320
54123200134211
6252202430344
735026116040
oct7653323670
92637635161
101051568056
1149a645710
122542023b4
13139b24226
149d932720
15624baac1
hex3eada7b8

1051568056 has 64 divisors (see below), whose sum is σ = 2480129280. Its totient is φ = 406049280.

The previous prime is 1051568051. The next prime is 1051568057. The reversal of 1051568056 is 6508651501.

It is a super-2 number, since 2×10515680562 = 2211590752799238272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051568051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62055 + ... + 77161.

It is an arithmetic number, because the mean of its divisors is an integer number (38752020).

Almost surely, 21051568056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051568056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240064640).

1051568056 is an abundant number, since it is smaller than the sum of its proper divisors (1428561224).

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

1051568056 is a wasteful number, since it uses less digits than its factorization.

1051568056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244 (or 15240 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 1051568056 is about 32427.8900947934. The cubic root of 1051568056 is about 1016.9020627493.

The spelling of 1051568056 in words is "one billion, fifty-one million, five hundred sixty-eight thousand, fifty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 113 154 226 308 452 616 791 904 1243 1582 2486 3164 4972 6328 8701 9944 15107 17402 30214 34804 60428 69608 105749 120856 166177 211498 332354 422996 664708 845992 1163239 1329416 1707091 2326478 3414182 4652956 6828364 9305912 11949637 13656728 18778001 23899274 37556002 47798548 75112004 95597096 131446007 150224008 262892014 525784028 1051568056