Search a number
-
+
1424423385 = 325721158727
BaseRepresentation
bin101010011100110…
…1111100111011001
310200021022012112200
41110321233213121
510404123022020
6353202200413
750204253600
oct12471574731
93607265480
101424423385
11671060410
12339053109
13199150398
14d726ca37
15850bb590
hex54e6f9d9

1424423385 has 72 divisors (see below), whose sum is σ = 3133256256. Its totient is φ = 591958080.

The previous prime is 1424423347. The next prime is 1424423401. The reversal of 1424423385 is 5833244241.

1424423385 is a `hidden beast` number, since 14 + 244 + 23 + 385 = 666.

It is not a de Polignac number, because 1424423385 - 26 = 1424423321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5109 + ... + 53618.

It is an arithmetic number, because the mean of its divisors is an integer number (43517448).

Almost surely, 21424423385 is an apocalyptic number.

1424423385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424423385 is an abundant number, since it is smaller than the sum of its proper divisors (1708832871).

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

1424423385 is a wasteful number, since it uses less digits than its factorization.

1424423385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58763 (or 58753 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 1424423385 is about 37741.5339513380. The cubic root of 1424423385 is about 1125.1567544535.

The spelling of 1424423385 in words is "one billion, four hundred twenty-four million, four hundred twenty-three thousand, three hundred eighty-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 49 55 63 77 99 105 147 165 231 245 315 385 441 495 539 693 735 1155 1617 2205 2695 3465 4851 8085 24255 58727 176181 293635 411089 528543 645997 880905 1233267 1937991 2055445 2642715 2877623 3229985 3699801 4521979 5813973 6166335 8632869 9689955 13565937 14388115 18499005 22609895 25898607 29069865 31653853 40697811 43164345 67829685 94961559 129493035 158269265 203489055 284884677 474807795 1424423385