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1074643245 = 325133135869
BaseRepresentation
bin100000000001101…
…1100000100101101
32202220010112101200
41000003130010231
54200102040440
6254345200113
735426213454
oct10003340455
92686115350
101074643245
11501676415
1225ba90039
131418432a0
14a2a1bb9b
1564527c30
hex400dc12d

1074643245 has 48 divisors (see below), whose sum is σ = 2012752560. Its totient is φ = 527275008.

The previous prime is 1074643223. The next prime is 1074643259. The reversal of 1074643245 is 5423464701.

1074643245 is a `hidden beast` number, since 1 + 0 + 7 + 4 + 643 + 2 + 4 + 5 = 666.

1074643245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 610930089 + 463713156 = 24717^2 + 21534^2 .

It is not a de Polignac number, because 1074643245 - 228 = 806207789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180171 + ... + 186039.

It is an arithmetic number, because the mean of its divisors is an integer number (41932345).

Almost surely, 21074643245 is an apocalyptic number.

1074643245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1074643245 is a deficient number, since it is larger than the sum of its proper divisors (938109315).

1074643245 is a wasteful number, since it uses less digits than its factorization.

1074643245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206 (or 6203 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 1074643245 is about 32781.7517073142. The cubic root of 1074643245 is about 1024.2864738674.

The spelling of 1074643245 in words is "one billion, seventy-four million, six hundred forty-three thousand, two hundred forty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 313 585 939 1565 2817 4069 4695 5869 12207 14085 17607 20345 29345 36621 52821 61035 76297 88035 183105 228891 264105 381485 686673 1144455 1836997 3433365 5510991 9184985 16532973 23880961 27554955 71642883 82664865 119404805 214928649 358214415 1074643245