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68652074 = 234326037
BaseRepresentation
bin1000001011110…
…00110000101010
311210011212221102
410011320300222
5120033331244
610451241402
71462350551
oct405706052
9153155842
1068652074
1135830357
121aba9262
13112b913a
149190d98
15606154e
hex4178c2a

68652074 has 4 divisors (see below), whose sum is σ = 102978114. Its totient is φ = 34326036.

The previous prime is 68652071. The next prime is 68652083. The reversal of 68652074 is 47025686.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47025686 = 223512843.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 23668225 = 6707^2 + 4865^2 .

It is not an unprimeable number, because it can be changed into a prime (68652071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17163017 + ... + 17163020.

Almost surely, 268652074 is an apocalyptic number.

68652074 is a deficient number, since it is larger than the sum of its proper divisors (34326040).

68652074 is a wasteful number, since it uses less digits than its factorization.

68652074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34326039.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 68652074 is about 8285.6547116085. The cubic root of 68652074 is about 409.4660389879.

The spelling of 68652074 in words is "sixty-eight million, six hundred fifty-two thousand, seventy-four".

Divisors: 1 2 34326037 68652074