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68227037 = 592311519
BaseRepresentation
bin1000001000100…
…00111111011101
311202101021220022
410010100333131
5114431231122
610434201525
71455630434
oct404207735
9152337808
1068227037
113556aa8a
121aa232a5
131119a838
1490c011b
155eca642
hex4110fdd

68227037 has 4 divisors (see below), whose sum is σ = 68244480. Its totient is φ = 68209596.

The previous prime is 68227021. The next prime is 68227087. The reversal of 68227037 is 73072286.

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 68227037 - 24 = 68227021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68226988 and 68227006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68227087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164 + ... + 11682.

It is an arithmetic number, because the mean of its divisors is an integer number (17061120).

Almost surely, 268227037 is an apocalyptic number.

It is an amenable number.

68227037 is a deficient number, since it is larger than the sum of its proper divisors (17443).

68227037 is a wasteful number, since it uses less digits than its factorization.

68227037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17442.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 68227037 is about 8259.9659200265. The cubic root of 68227037 is about 408.6192637721.

The spelling of 68227037 in words is "sixty-eight million, two hundred twenty-seven thousand, thirty-seven".

Divisors: 1 5923 11519 68227037