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68361935 = 513672387
BaseRepresentation
bin1000001001100…
…01111011001111
311202122010221112
410010301323033
5120000040220
610441122235
71460031635
oct404617317
9152563845
1068361935
1135652374
121aa8937b
1311217065
149117355
1560055c5
hex4131ecf

68361935 has 4 divisors (see below), whose sum is σ = 82034328. Its totient is φ = 54689544.

The previous prime is 68361929. The next prime is 68361971. The reversal of 68361935 is 53916386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53916386 = 226958193.

It is a cyclic number.

It is not a de Polignac number, because 68361935 - 210 = 68360911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68361892 and 68361901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836189 + ... + 6836198.

It is an arithmetic number, because the mean of its divisors is an integer number (20508582).

Almost surely, 268361935 is an apocalyptic number.

68361935 is a deficient number, since it is larger than the sum of its proper divisors (13672393).

68361935 is a wasteful number, since it uses less digits than its factorization.

68361935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13672392.

The product of its digits is 116640, while the sum is 41.

The square root of 68361935 is about 8268.1276598756. The cubic root of 68361935 is about 408.8883928194. Note that the first 3 decimals are identical.

It can be divided in two parts, 68361 and 935, that added together give a palindrome (69296).

The spelling of 68361935 in words is "sixty-eight million, three hundred sixty-one thousand, nine hundred thirty-five".

Divisors: 1 5 13672387 68361935