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1068049770 = 235374492143
BaseRepresentation
bin111111101010010…
…010010101101010
32202102201112211220
4333222102111222
54141410043040
6253552002510
735316162504
oct7752222552
92672645756
101068049770
114a8982667
12259830436
13140375118
14a1bc2d74
1563b742d0
hex3fa9256a

1068049770 has 64 divisors (see below), whose sum is σ = 2639692800. Its totient is φ = 276369408.

The previous prime is 1068049739. The next prime is 1068049777. The reversal of 1068049770 is 779408601.

It is a super-2 number, since 2×10680497702 = 2281460622394105800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068049777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497319 + ... + 499461.

It is an arithmetic number, because the mean of its divisors is an integer number (41245200).

Almost surely, 21068049770 is an apocalyptic number.

1068049770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068049770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319846400).

1068049770 is an abundant number, since it is smaller than the sum of its proper divisors (1571643030).

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

1068049770 is a wasteful number, since it uses less digits than its factorization.

1068049770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 1068049770 is about 32681.0307364991. The cubic root of 1068049770 is about 1022.1873379234.

The spelling of 1068049770 in words is "one billion, sixty-eight million, forty-nine thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 449 555 898 1110 1347 2143 2245 2694 4286 4490 6429 6735 10715 12858 13470 16613 21430 32145 33226 49839 64290 79291 83065 99678 158582 166130 237873 249195 396455 475746 498390 792910 962207 1189365 1924414 2378730 2886621 4811035 5773242 9622070 14433105 28866210 35601659 71203318 106804977 178008295 213609954 356016590 534024885 1068049770