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575630061 = 31914967777
BaseRepresentation
bin100010010011110…
…110101011101101
31111010011000222220
4202103312223231
52134330130221
6133041425553
720156526516
oct4223665355
91433130886
10575630061
11275a23426
1214093b2b9
1392345406
1456641a0d
15358070c6
hex224f6aed

575630061 has 16 divisors (see below), whose sum is σ = 813336000. Its totient is φ = 361110528.

The previous prime is 575630057. The next prime is 575630071. The reversal of 575630061 is 160036575.

It is not a de Polignac number, because 575630061 - 22 = 575630057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575630051) 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 15 ways as a sum of consecutive naturals, for example, 25396 + ... + 42381.

It is an arithmetic number, because the mean of its divisors is an integer number (50833500).

Almost surely, 2575630061 is an apocalyptic number.

It is an amenable number.

575630061 is a deficient number, since it is larger than the sum of its proper divisors (237705939).

575630061 is a wasteful number, since it uses less digits than its factorization.

575630061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67948.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 575630061 is about 23992.2916996272. The cubic root of 575630061 is about 831.8553651172.

The spelling of 575630061 in words is "five hundred seventy-five million, six hundred thirty thousand, sixty-one".

Divisors: 1 3 19 57 149 447 2831 8493 67777 203331 1287763 3863289 10098773 30296319 191876687 575630061