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523053245 = 511131017243
BaseRepresentation
bin11111001011010…
…010100010111101
31100110012212011102
4133023102202331
52032400200440
6123522502445
715650610401
oct3713224275
91313185142
10523053245
11249282710
12127204a25
1384497180
144d677101
1530dbdb15
hex1f2d28bd

523053245 has 32 divisors (see below), whose sum is σ = 744799104. Its totient is φ = 347616000.

The previous prime is 523053241. The next prime is 523053313. The reversal of 523053245 is 542350325.

It is not a de Polignac number, because 523053245 - 22 = 523053241 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523053241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 68594 + ... + 75836.

It is an arithmetic number, because the mean of its divisors is an integer number (23274972).

Almost surely, 2523053245 is an apocalyptic number.

523053245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523053245 is a deficient number, since it is larger than the sum of its proper divisors (221745859).

523053245 is a wasteful number, since it uses less digits than its factorization.

523053245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 523053245 is about 22870.3573430762. The cubic root of 523053245 is about 805.7159609089.

The spelling of 523053245 in words is "five hundred twenty-three million, fifty-three thousand, two hundred forty-five".

Divisors: 1 5 11 13 55 65 101 143 505 715 1111 1313 5555 6565 7243 14443 36215 72215 79673 94159 398365 470795 731543 1035749 3657715 5178745 8046973 9510059 40234865 47550295 104610649 523053245