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1068056380 = 22567797057
BaseRepresentation
bin111111101010010…
…011111100111100
32202102201212220201
4333222103330330
54141410301010
6253552053244
735316220666
oct7752237474
92672655821
101068056380
114a8987626
12259834224
13140378131
14a1bc5536
1563b7623a
hex3fa93f3c

1068056380 has 24 divisors (see below), whose sum is σ = 2276397648. Its totient is φ = 420845568.

The previous prime is 1068056369. The next prime is 1068056383. The reversal of 1068056380 is 836508601.

It is a super-2 number, since 2×10680563802 = 2281488861717408800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068056383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397189 + ... + 399868.

It is an arithmetic number, because the mean of its divisors is an integer number (94849902).

Almost surely, 21068056380 is an apocalyptic number.

1068056380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068056380 is an abundant number, since it is smaller than the sum of its proper divisors (1208341268).

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

1068056380 is a wasteful number, since it uses less digits than its factorization.

1068056380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797133 (or 797131 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1068056380 is about 32681.1318653440. The cubic root of 1068056380 is about 1022.1894466404.

The spelling of 1068056380 in words is "one billion, sixty-eight million, fifty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 797057 1594114 3188228 3985285 7970570 15941140 53402819 106805638 213611276 267014095 534028190 1068056380