Search a number
-
+
384302810745 = 3457273265277
BaseRepresentation
bin1011001011110100011…
…10111000011001111001
31100201221201112112110000
411211322032320121321
522244023004420440
6452313554543213
736523244664600
oct5457216703171
91321851475400
10384302810745
11138a88a10817
1262592297b09
132a316528389
1414859536a37
159ee37b9730
hex597a3b8679

384302810745 has 120 divisors (see below), whose sum is σ = 812352330504. Its totient is φ = 173274038784.

The previous prime is 384302810693. The next prime is 384302810779. The reversal of 384302810745 is 547018203483.

It can be written as a sum of positive squares in 4 ways, for example, as 236298384 + 384066512361 = 15372^2 + 619731^2 .

It is not a de Polignac number, because 384302810745 - 215 = 384302777977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 384302810745.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1316047 + ... + 1581323.

Almost surely, 2384302810745 is an apocalyptic number.

384302810745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

384302810745 is an abundant number, since it is smaller than the sum of its proper divisors (428049519759).

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

384302810745 is a wasteful number, since it uses less digits than its factorization.

384302810745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265381 (or 265365 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 384302810745 in words is "three hundred eighty-four billion, three hundred two million, eight hundred ten thousand, seven hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 49 63 73 81 105 135 147 189 219 245 315 365 405 441 511 567 657 735 945 1095 1323 1533 1971 2205 2555 2835 3285 3577 3969 4599 5913 6615 7665 9855 10731 13797 17885 19845 22995 29565 32193 41391 53655 68985 96579 160965 206955 265277 289737 482895 795831 1326385 1448685 1856939 2387493 3979155 5570817 7162479 9284695 11937465 12998573 16712451 19365221 21487437 27854085 35812395 38995719 50137353 58095663 64992865 83562255 96826105 107437185 116987157 135556547 150412059 174286989 194978595 250686765 290478315 350961471 406669641 522860967 584935785 677782735 752060295 871434945 948895829 1052884413 1220008923 1568582901 1754807355 2033348205 2614304835 2846687487 3660026769 4744479145 5264422065 6100044615 7842914505 8540062461 10980080307 14233437435 18300133845 25620187383 42700312305 54900401535 76860562149 128100936915 384302810745