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68847361 = 116258851
BaseRepresentation
bin1000001101010…
…00011100000001
311210112210211021
410012220130001
5120111103421
610455345441
71464123112
oct406503401
9153483737
1068847361
1135954050
121b082281
1311356cab
149202209
15609e341
hex41a8701

68847361 has 4 divisors (see below), whose sum is σ = 75106224. Its totient is φ = 62588500.

The previous prime is 68847347. The next prime is 68847377. The reversal of 68847361 is 16374886.

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 68847361 - 25 = 68847329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68847301) 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, 3129415 + ... + 3129436.

It is an arithmetic number, because the mean of its divisors is an integer number (18776556).

Almost surely, 268847361 is an apocalyptic number.

It is an amenable number.

68847361 is a deficient number, since it is larger than the sum of its proper divisors (6258863).

68847361 is a wasteful number, since it uses less digits than its factorization.

68847361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258862.

The product of its digits is 193536, while the sum is 43.

The square root of 68847361 is about 8297.4309879625. The cubic root of 68847361 is about 409.8539257540.

The spelling of 68847361 in words is "sixty-eight million, eight hundred forty-seven thousand, three hundred sixty-one".

Divisors: 1 11 6258851 68847361