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545231030 = 25192998953
BaseRepresentation
bin100000011111111…
…001000010110110
31101222221121100212
4200133321002312
52104034343110
6130034105422
716340246561
oct4037710266
91358847325
10545231030
1125a850163
1213271b272
1388c60916
14525ab4d8
1532ceee05
hex207f90b6

545231030 has 32 divisors (see below), whose sum is σ = 1068703200. Its totient is φ = 199487232.

The previous prime is 545231023. The next prime is 545231033. The reversal of 545231030 is 30132545.

545231030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 545230987 and 545231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545231033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43967 + ... + 54986.

It is an arithmetic number, because the mean of its divisors is an integer number (33396975).

Almost surely, 2545231030 is an apocalyptic number.

545231030 is a deficient number, since it is larger than the sum of its proper divisors (523472170).

545231030 is a wasteful number, since it uses less digits than its factorization.

545231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99008.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 545231030 is about 23350.1826545318. The cubic root of 545231030 is about 816.9463211817.

Adding to 545231030 its reverse (30132545), we get a palindrome (575363575).

The spelling of 545231030 in words is "five hundred forty-five million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 19 29 38 58 95 145 190 290 551 1102 2755 5510 98953 197906 494765 989530 1880107 2869637 3760214 5739274 9400535 14348185 18801070 28696370 54523103 109046206 272615515 545231030