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775045068 = 223729378599
BaseRepresentation
bin101110001100100…
…011111111001100
32000000101100221220
4232030203333030
53041402420233
6204523523340
725130526420
oct5614437714
92000340856
10775045068
11368546916
12197689550
13c4756365
1474d10b80
1548097eb3
hex2e323fcc

775045068 has 96 divisors (see below), whose sum is σ = 2196096000. Its totient is φ = 208002816.

The previous prime is 775045067. The next prime is 775045081. The reversal of 775045068 is 860540577.

It is a super-2 number, since 2×7750450682 = 1201389714862249248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (775045067) 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, 85833 + ... + 94431.

It is an arithmetic number, because the mean of its divisors is an integer number (22876000).

Almost surely, 2775045068 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 775045068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098048000).

775045068 is an abundant number, since it is smaller than the sum of its proper divisors (1421050932).

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

775045068 is a wasteful number, since it uses less digits than its factorization.

775045068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8679 (or 8677 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 775045068 is about 27839.6312475579. The cubic root of 775045068 is about 918.5630798226.

The spelling of 775045068 in words is "seven hundred seventy-five million, forty-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 37 42 58 74 84 87 111 116 148 174 203 222 259 348 406 444 518 609 777 812 1036 1073 1218 1554 2146 2436 3108 3219 4292 6438 7511 8599 12876 15022 17198 22533 25797 30044 34396 45066 51594 60193 90132 103188 120386 180579 240772 249371 318163 361158 498742 636326 722316 748113 954489 997484 1272652 1496226 1745597 1908978 2227141 2992452 3491194 3817956 4454282 5236791 6681423 6982388 8908564 9226727 10473582 13362846 18453454 20947164 26725692 27680181 36906908 55360362 64587089 110720724 129174178 193761267 258348356 387522534 775045068