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572405113 = 7217687161
BaseRepresentation
bin100010000111100…
…011010101111001
31110220002012012101
4202013203111321
52133013430423
6132444343401
720120235400
oct4207432571
91426065171
10572405113
11274120485
1213b844b61
1391786567
1456042637
15353bb7ad
hex221e3579

572405113 has 12 divisors (see below), whose sum is σ = 705028212. Its totient is φ = 461771520.

The previous prime is 572405089. The next prime is 572405123. The reversal of 572405113 is 311504275.

It is a happy number.

572405113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 359595369 + 212809744 = 18963^2 + 14588^2 .

It is not a de Polignac number, because 572405113 - 25 = 572405081 is a prime.

It is a super-3 number, since 3×5724051133 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (572405123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342748 + ... + 344413.

It is an arithmetic number, because the mean of its divisors is an integer number (58752351).

Almost surely, 2572405113 is an apocalyptic number.

It is an amenable number.

572405113 is a deficient number, since it is larger than the sum of its proper divisors (132623099).

572405113 is a wasteful number, since it uses less digits than its factorization.

572405113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687192 (or 687185 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 572405113 is about 23924.9892998931. The cubic root of 572405113 is about 830.2989744050.

Adding to 572405113 its reverse (311504275), we get a palindrome (883909388).

The spelling of 572405113 in words is "five hundred seventy-two million, four hundred five thousand, one hundred thirteen".

Divisors: 1 7 17 49 119 833 687161 4810127 11681737 33670889 81772159 572405113