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68682243 = 373270583
BaseRepresentation
bin1000001100000…
…00001000000011
311210020102022210
410012000020003
5120040312433
610452033203
71462534530
oct406001003
9153212283
1068682243
1135850a93
121b002803
13112c9aa6
14919bd87
15606a463
hex4180203

68682243 has 8 divisors (see below), whose sum is σ = 104658688. Its totient is φ = 39246984.

The previous prime is 68682233. The next prime is 68682247. The reversal of 68682243 is 34228686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68682243 - 221 = 66585091 is a prime.

It is a super-2 number, since 2×686822432 = 9434501007022098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68682247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635271 + ... + 1635312.

It is an arithmetic number, because the mean of its divisors is an integer number (13082336).

Almost surely, 268682243 is an apocalyptic number.

68682243 is a deficient number, since it is larger than the sum of its proper divisors (35976445).

68682243 is a wasteful number, since it uses less digits than its factorization.

68682243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270593.

The product of its digits is 110592, while the sum is 39.

The square root of 68682243 is about 8287.4750678358. The cubic root of 68682243 is about 409.5260098483.

The spelling of 68682243 in words is "sixty-eight million, six hundred eighty-two thousand, two hundred forty-three".

Divisors: 1 3 7 21 3270583 9811749 22894081 68682243