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545040430 = 2511232111021
BaseRepresentation
bin100000011111001…
…010100000101110
31101222120220220121
4200133022200232
52104012243210
6130030035154
716335524104
oct4037124056
91358526817
10545040430
1125a72aa40
12132648aba
1388bc4c3c
145255bc74
1532cb36da
hex207ca82e

545040430 has 64 divisors (see below), whose sum is σ = 1123186176. Its totient is φ = 188496000.

The previous prime is 545040427. The next prime is 545040443. The reversal of 545040430 is 34040545.

It is a junction number, because it is equal to n+sod(n) for n = 545040395 and 545040404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 533320 + ... + 534340.

It is an arithmetic number, because the mean of its divisors is an integer number (17549784).

Almost surely, 2545040430 is an apocalyptic number.

545040430 is an abundant number, since it is smaller than the sum of its proper divisors (578145746).

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

545040430 is a wasteful number, since it uses less digits than its factorization.

545040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 545040430 is about 23346.1009592608. The cubic root of 545040430 is about 816.8511149860.

Adding to 545040430 its reverse (34040545), we get a palindrome (579080975).

The spelling of 545040430 in words is "five hundred forty-five million, forty thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 211 230 253 422 506 1021 1055 1265 2042 2110 2321 2530 4642 4853 5105 9706 10210 11231 11605 22462 23210 23483 24265 46966 48530 53383 56155 106766 112310 117415 215431 234830 258313 266915 430862 516626 533830 1077155 1291565 2154310 2369741 2583130 4739482 4954913 9909826 11848705 23697410 24774565 49549130 54504043 109008086 272520215 545040430