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68675619 = 346749019
BaseRepresentation
bin1000001011111…
…10100000100011
311210020002020110
410011332200203
5120040104434
610451542403
71462506315
oct405764043
9153202213
1068675619
1135847011
121abbaa03
13112c6a7c
1491997b5
1560684e9
hex417e823

68675619 has 8 divisors (see below), whose sum is σ = 91765440. Its totient is φ = 45684776.

The previous prime is 68675561. The next prime is 68675627. The reversal of 68675619 is 91657686.

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 68675619 - 28 = 68675363 is a prime.

It is a super-2 number, since 2×686756192 = 9432681290066322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68675689) 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, 23109 + ... + 25910.

It is an arithmetic number, because the mean of its divisors is an integer number (11470680).

Almost surely, 268675619 is an apocalyptic number.

68675619 is a deficient number, since it is larger than the sum of its proper divisors (23089821).

68675619 is a wasteful number, since it uses less digits than its factorization.

68675619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49489.

The product of its digits is 544320, while the sum is 48.

The square root of 68675619 is about 8287.0754189883. The cubic root of 68675619 is about 409.5128439635.

The spelling of 68675619 in words is "sixty-eight million, six hundred seventy-five thousand, six hundred nineteen".

Divisors: 1 3 467 1401 49019 147057 22891873 68675619