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68662593 = 332543059
BaseRepresentation
bin1000001011110…
…11010101000001
311210012102101000
410011323111001
5120034200333
610451402213
71462423326
oct405732501
9153172330
1068662593
113583824a
121abb3369
13112c0b6c
149194b4d
156064713
hex417b541

68662593 has 8 divisors (see below), whose sum is σ = 101722400. Its totient is φ = 45775044.

The previous prime is 68662591. The next prime is 68662603. The reversal of 68662593 is 39526686.

It is a happy number.

It is not a de Polignac number, because 68662593 - 21 = 68662591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68662591) 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, 1271503 + ... + 1271556.

It is an arithmetic number, because the mean of its divisors is an integer number (12715300).

Almost surely, 268662593 is an apocalyptic number.

It is an amenable number.

68662593 is a deficient number, since it is larger than the sum of its proper divisors (33059807).

68662593 is a wasteful number, since it uses less digits than its factorization.

68662593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543068 (or 2543062 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 68662593 is about 8286.2894591005. The cubic root of 68662593 is about 409.4869509722.

The spelling of 68662593 in words is "sixty-eight million, six hundred sixty-two thousand, five hundred ninety-three".

Divisors: 1 3 9 27 2543059 7629177 22887531 68662593