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68226701 = 193590879
BaseRepresentation
bin1000001000100…
…00111010001101
311202101021102212
410010100322031
5114431223301
610434200205
71455626444
oct404207215
9152337385
1068226701
113556a804
121aa23065
131119a63a
1490bdd5b
155eca4bb
hex4110e8d

68226701 has 4 divisors (see below), whose sum is σ = 71817600. Its totient is φ = 64635804.

The previous prime is 68226679. The next prime is 68226709. The reversal of 68226701 is 10762286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68226701 - 26 = 68226637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68226709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795421 + ... + 1795458.

It is an arithmetic number, because the mean of its divisors is an integer number (17954400).

Almost surely, 268226701 is an apocalyptic number.

It is an amenable number.

68226701 is a deficient number, since it is larger than the sum of its proper divisors (3590899).

68226701 is a wasteful number, since it uses less digits than its factorization.

68226701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590898.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68226701 is about 8259.9455809345. The cubic root of 68226701 is about 408.6185929906.

Adding to 68226701 its reverse (10762286), we get a palindrome (78988987).

The spelling of 68226701 in words is "sixty-eight million, two hundred twenty-six thousand, seven hundred one".

Divisors: 1 19 3590879 68226701