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68738099 = 234172893
BaseRepresentation
bin1000001100011…
…01110000110011
311210100020221112
410012031300303
5120044104344
610453143535
71463156423
oct406156063
9153306845
1068738099
1135889a51
121b02abab
1311319341
1491b4483
15607bc9e
hex418dc33

68738099 has 8 divisors (see below), whose sum is σ = 73477152. Its totient is φ = 64144960.

The previous prime is 68738081. The next prime is 68738113. The reversal of 68738099 is 99083786.

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 68738099 - 216 = 68672563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68738699) 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, 35504 + ... + 37389.

It is an arithmetic number, because the mean of its divisors is an integer number (9184644).

Almost surely, 268738099 is an apocalyptic number.

68738099 is a deficient number, since it is larger than the sum of its proper divisors (4739053).

68738099 is a wasteful number, since it uses less digits than its factorization.

68738099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72957.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 68738099 is about 8290.8442875258. The cubic root of 68738099 is about 409.6369957727.

The spelling of 68738099 in words is "sixty-eight million, seven hundred thirty-eight thousand, ninety-nine".

Divisors: 1 23 41 943 72893 1676539 2988613 68738099