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68753193 = 322917731
BaseRepresentation
bin1000001100100…
…01011100101001
311210101000122120
410012101130221
5120100100233
610453341453
71463251425
oct406213451
9153330576
1068753193
113589a323
121b037889
1311323182
1491b9b85
1560814b3
hex4191729

68753193 has 4 divisors (see below), whose sum is σ = 91670928. Its totient is φ = 45835460.

The previous prime is 68753183. The next prime is 68753213. The reversal of 68753193 is 39135786.

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 68753193 - 24 = 68753177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68753143) 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 in 3 ways as a sum of consecutive naturals, for example, 11458863 + ... + 11458868.

It is an arithmetic number, because the mean of its divisors is an integer number (22917732).

Almost surely, 268753193 is an apocalyptic number.

It is an amenable number.

68753193 is a deficient number, since it is larger than the sum of its proper divisors (22917735).

68753193 is a wasteful number, since it uses less digits than its factorization.

68753193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22917734.

The product of its digits is 136080, while the sum is 42.

The square root of 68753193 is about 8291.7545187976. The cubic root of 68753193 is about 409.6669772453. Note that the first 3 decimals are identical.

The spelling of 68753193 in words is "sixty-eight million, seven hundred fifty-three thousand, one hundred ninety-three".

Divisors: 1 3 22917731 68753193