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68146337 = 79735191
BaseRepresentation
bin1000000111111…
…01010010100001
311202020012012102
410003331102201
5114421140322
610432340145
71455143240
oct403752241
9152205172
1068146337
1135515396
121a9a4655
131116cb9c
14909c957
155eb1792
hex40fd4a1

68146337 has 4 divisors (see below), whose sum is σ = 77881536. Its totient is φ = 58411140.

The previous prime is 68146327. The next prime is 68146343. The reversal of 68146337 is 73364186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68146337 - 212 = 68142241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68146337.

It is not an unprimeable number, because it can be changed into a prime (68146307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4867589 + ... + 4867602.

It is an arithmetic number, because the mean of its divisors is an integer number (19470384).

Almost surely, 268146337 is an apocalyptic number.

It is an amenable number.

68146337 is a deficient number, since it is larger than the sum of its proper divisors (9735199).

68146337 is an equidigital number, since it uses as much as digits as its factorization.

68146337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9735198.

The product of its digits is 72576, while the sum is 38.

The square root of 68146337 is about 8255.0794666072. The cubic root of 68146337 is about 408.4580931379.

The spelling of 68146337 in words is "sixty-eight million, one hundred forty-six thousand, three hundred thirty-seven".

Divisors: 1 7 9735191 68146337