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145683070 = 2513319349
BaseRepresentation
bin10001010111011…
…11001001111110
3101011010110121021
420223233021332
5244243324240
622242254354
73416166661
oct1053571176
9334113537
10145683070
1175263935
12409573ba
132424a000
14154c36d8
15cbca54a
hex8aef27e

145683070 has 64 divisors (see below), whose sum is σ = 299880000. Its totient is φ = 50813568.

The previous prime is 145683059. The next prime is 145683077. The reversal of 145683070 is 70386541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145683077) 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, 417256 + ... + 417604.

It is an arithmetic number, because the mean of its divisors is an integer number (4685625).

Almost surely, 2145683070 is an apocalyptic number.

145683070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145683070 is an abundant number, since it is smaller than the sum of its proper divisors (154196930).

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

145683070 is a wasteful number, since it uses less digits than its factorization.

145683070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 145683070 is about 12069.9241919740. The cubic root of 145683070 is about 526.1824534395.

The spelling of 145683070 in words is "one hundred forty-five million, six hundred eighty-three thousand, seventy".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 169 190 247 338 349 494 698 845 1235 1690 1745 2197 2470 3211 3490 4394 4537 6422 6631 9074 10985 13262 16055 21970 22685 32110 33155 41743 45370 58981 66310 83486 86203 117962 172406 208715 294905 417430 431015 589810 766753 862030 1120639 1533506 2241278 3833765 5603195 7667530 11206390 14568307 29136614 72841535 145683070