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68445958 = 274888997
BaseRepresentation
bin1000001010001…
…10011100000110
311202210102012111
410011012130012
5120010232313
610443011234
71460531620
oct405063406
9152712174
1068445958
11356aa509
121ab09b1a
1311246389
149139c10
15602043d
hex4146706

68445958 has 8 divisors (see below), whose sum is σ = 117335952. Its totient is φ = 29333976.

The previous prime is 68445947. The next prime is 68445977. The reversal of 68445958 is 85954486.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444485 + ... + 2444512.

It is an arithmetic number, because the mean of its divisors is an integer number (14666994).

Almost surely, 268445958 is an apocalyptic number.

68445958 is a deficient number, since it is larger than the sum of its proper divisors (48889994).

68445958 is a wasteful number, since it uses less digits than its factorization.

68445958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889006.

The product of its digits is 1382400, while the sum is 49.

The square root of 68445958 is about 8273.2072378250. The cubic root of 68445958 is about 409.0558445037.

The spelling of 68445958 in words is "sixty-eight million, four hundred forty-five thousand, nine hundred fifty-eight".

Divisors: 1 2 7 14 4888997 9777994 34222979 68445958