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68214041 = 79744863
BaseRepresentation
bin1000001000011…
…01110100011001
311202100122001222
410010031310121
5114430322131
610434021425
71455544520
oct404156431
9152318058
1068214041
1135561245
121aa17875
131119494c
1490b94b7
155ec687b
hex410dd19

68214041 has 4 divisors (see below), whose sum is σ = 77958912. Its totient is φ = 58469172.

The previous prime is 68214023. The next prime is 68214059. The reversal of 68214041 is 14041286.

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 an interprime number because it is at equal distance from previous prime (68214023) and next prime (68214059).

It is a cyclic number.

It is not a de Polignac number, because 68214041 - 226 = 1105177 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 68214041.

It is not an unprimeable number, because it can be changed into a prime (68214001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4872425 + ... + 4872438.

It is an arithmetic number, because the mean of its divisors is an integer number (19489728).

Almost surely, 268214041 is an apocalyptic number.

It is an amenable number.

68214041 is a deficient number, since it is larger than the sum of its proper divisors (9744871).

68214041 is an equidigital number, since it uses as much as digits as its factorization.

68214041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744870.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 68214041 is about 8259.1791965062. The cubic root of 68214041 is about 408.5933172979.

The spelling of 68214041 in words is "sixty-eight million, two hundred fourteen thousand, forty-one".

Divisors: 1 7 9744863 68214041