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68152199 = 671676091
BaseRepresentation
bin1000000111111…
…10101110000111
311202020111020112
410003332232013
5114421332244
610432423235
71455166313
oct403765607
9152214215
1068152199
1135519835
121a9a7b1b
131117275b
1490a0b43
155eb339e
hex40feb87

68152199 has 8 divisors (see below), whose sum is σ = 69595008. Its totient is φ = 66722040.

The previous prime is 68152177. The next prime is 68152219. The reversal of 68152199 is 99125186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68152199 - 216 = 68086663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68152109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8144 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (8699376).

Almost surely, 268152199 is an apocalyptic number.

68152199 is a deficient number, since it is larger than the sum of its proper divisors (1442809).

68152199 is a wasteful number, since it uses less digits than its factorization.

68152199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325.

The product of its digits is 38880, while the sum is 41.

The square root of 68152199 is about 8255.4345130950. The cubic root of 68152199 is about 408.4698047612.

The spelling of 68152199 in words is "sixty-eight million, one hundred fifty-two thousand, one hundred ninety-nine".

Divisors: 1 67 167 6091 11189 408097 1017197 68152199