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68594542 = 234297271
BaseRepresentation
bin1000001011010…
…10101101101110
311210001222000121
410011222231232
5120030011132
610450115154
71462021042
oct405525556
9153058017
1068594542
11357a1105
121ab7baba
1311298bb3
149178022
15604e497
hex416ab6e

68594542 has 4 divisors (see below), whose sum is σ = 102891816. Its totient is φ = 34297270.

The previous prime is 68594531. The next prime is 68594543. The reversal of 68594542 is 24549586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24549586 = 212274793.

It is a super-2 number, since 2×685945422 = 9410422384379528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68594543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17148634 + ... + 17148637.

It is an arithmetic number, because the mean of its divisors is an integer number (25722954).

Almost surely, 268594542 is an apocalyptic number.

68594542 is a deficient number, since it is larger than the sum of its proper divisors (34297274).

68594542 is a wasteful number, since it uses less digits than its factorization.

68594542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34297273.

The product of its digits is 345600, while the sum is 43.

The square root of 68594542 is about 8282.1822003624. The cubic root of 68594542 is about 409.3516264028.

The spelling of 68594542 in words is "sixty-eight million, five hundred ninety-four thousand, five hundred forty-two".

Divisors: 1 2 34297271 68594542