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426957885 = 3453121097
BaseRepresentation
bin11001011100101…
…101110000111101
31002202101201010000
4121130231300331
51333300123020
6110211104513
713403040114
oct3134556075
91082351100
10426957885
111aa008862
12baba2139
136a5bca03
14409c0c7b
152773b090
hex1972dc3d

426957885 has 60 divisors (see below), whose sum is σ = 791567964. Its totient is φ = 220164480.

The previous prime is 426957859. The next prime is 426957899. The reversal of 426957885 is 588759624.

426957885 is a `hidden beast` number, since 4 + 2 + 69 + 578 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 137311524 + 289646361 = 11718^2 + 17019^2 .

It is not a de Polignac number, because 426957885 - 27 = 426957757 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 (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 388657 + ... + 389753.

Almost surely, 2426957885 is an apocalyptic number.

426957885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426957885 is a deficient number, since it is larger than the sum of its proper divisors (364610079).

426957885 is a wasteful number, since it uses less digits than its factorization.

426957885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1136 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 426957885 is about 20662.9592507946. The cubic root of 426957885 is about 753.0000634911. Note that the first 4 decimals are identical.

The spelling of 426957885 in words is "four hundred twenty-six million, nine hundred fifty-seven thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 27 31 45 81 93 135 155 279 405 465 837 961 1097 1395 2511 2883 3291 4185 4805 5485 8649 9873 12555 14415 16455 25947 29619 34007 43245 49365 77841 88857 102021 129735 148095 170035 306063 389205 444285 510105 918189 1054217 1530315 2754567 3162651 4590945 5271085 9487953 13772835 15813255 28463859 47439765 85391577 142319295 426957885