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516656061 = 321723146819
BaseRepresentation
bin11110110010111…
…000101110111101
31100000011211212200
4132302320232331
52024230443221
6123133422113
715542334615
oct3662705675
91300154780
10516656061
11245703389
1212503a939
138306745c
144c88da45
1530558426
hex1ecb8bbd

516656061 has 24 divisors (see below), whose sum is σ = 824541120. Its totient is φ = 310079616.

The previous prime is 516656057. The next prime is 516656081. The reversal of 516656061 is 160656615.

It is not a de Polignac number, because 516656061 - 22 = 516656057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516656011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69891 + ... + 76928.

It is an arithmetic number, because the mean of its divisors is an integer number (34355880).

Almost surely, 2516656061 is an apocalyptic number.

516656061 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

516656061 is a deficient number, since it is larger than the sum of its proper divisors (307885059).

516656061 is a wasteful number, since it uses less digits than its factorization.

516656061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146865 (or 146862 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 516656061 is about 22730.0695335496. The cubic root of 516656061 is about 802.4177177115.

The spelling of 516656061 in words is "five hundred sixteen million, six hundred fifty-six thousand, sixty-one".

Divisors: 1 3 9 17 23 51 69 153 207 391 1173 3519 146819 440457 1321371 2495923 3376837 7487769 10130511 22463307 30391533 57406229 172218687 516656061