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68835397 = 1712731883
BaseRepresentation
bin1000001101001…
…01100001000101
311210112012102011
410012211201011
5120110213042
610455214221
71464043201
oct406454105
9153465364
1068835397
1135946064
121b077371
1311351707
1491dbb01
15609aa17
hex41a5845

68835397 has 8 divisors (see below), whose sum is σ = 73460736. Its totient is φ = 64274112.

The previous prime is 68835379. The next prime is 68835409. The reversal of 68835397 is 79353886.

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

It is a cyclic number.

It is not a de Polignac number, because 68835397 - 219 = 68311109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68835397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68835337) 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, 13783 + ... + 18100.

It is an arithmetic number, because the mean of its divisors is an integer number (9182592).

Almost surely, 268835397 is an apocalyptic number.

It is an amenable number.

68835397 is a deficient number, since it is larger than the sum of its proper divisors (4625339).

68835397 is a wasteful number, since it uses less digits than its factorization.

68835397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32027.

The product of its digits is 1088640, while the sum is 49.

The square root of 68835397 is about 8296.7100106006. The cubic root of 68835397 is about 409.8301834912.

The spelling of 68835397 in words is "sixty-eight million, eight hundred thirty-five thousand, three hundred ninety-seven".

Divisors: 1 17 127 2159 31883 542011 4049141 68835397