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68850737 = 193623723
BaseRepresentation
bin1000001101010…
…01010000110001
311210112222110022
410012221100301
5120111210422
610455413225
71464136004
oct406512061
9153488408
1068850737
113595663a
121b084215
13113586a7
14920353b
1560a0342
hex41a9431

68850737 has 4 divisors (see below), whose sum is σ = 72474480. Its totient is φ = 65226996.

The previous prime is 68850709. The next prime is 68850757. The reversal of 68850737 is 73705886.

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 68850737 - 210 = 68849713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68850757) 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, 1811843 + ... + 1811880.

It is an arithmetic number, because the mean of its divisors is an integer number (18118620).

Almost surely, 268850737 is an apocalyptic number.

It is an amenable number.

68850737 is a deficient number, since it is larger than the sum of its proper divisors (3623743).

68850737 is a wasteful number, since it uses less digits than its factorization.

68850737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623742.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 68850737 is about 8297.6344219301. The cubic root of 68850737 is about 409.8606248452.

The spelling of 68850737 in words is "sixty-eight million, eight hundred fifty thousand, seven hundred thirty-seven".

Divisors: 1 19 3623723 68850737