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1056743212 = 22732812741
BaseRepresentation
bin111110111111001…
…001111100101100
32201122110010011111
4332333021330230
54131011240322
6252505401404
735121112000
oct7677117454
92648403144
101056743212
114a255a8a8
12255a99264
1313ac16955
14a04bc700
1562b8e177
hex3efc9f2c

1056743212 has 48 divisors (see below), whose sum is σ = 2165083200. Its totient is φ = 451113600.

The previous prime is 1056743201. The next prime is 1056743227. The reversal of 1056743212 is 2123476501.

It is a super-2 number, since 2×10567432122 = 2233412432216153888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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, 384162 + ... + 386902.

It is an arithmetic number, because the mean of its divisors is an integer number (45105900).

Almost surely, 21056743212 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 1056743212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082541600).

1056743212 is an abundant number, since it is smaller than the sum of its proper divisors (1108339988).

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

1056743212 is a wasteful number, since it uses less digits than its factorization.

1056743212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3031 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1056743212 is about 32507.5869913471. The cubic root of 1056743212 is about 1018.5675175578.

The spelling of 1056743212 in words is "one billion, fifty-six million, seven hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 281 343 562 686 1124 1372 1967 2741 3934 5482 7868 10964 13769 19187 27538 38374 55076 76748 96383 134309 192766 268618 385532 537236 770221 940163 1540442 1880326 3080884 3760652 5391547 10783094 21566188 37740829 75481658 150963316 264185803 528371606 1056743212