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68452518 = 2311408753
BaseRepresentation
bin1000001010010…
…00000010100110
311202210202012110
410011020002212
5120010440033
610443101450
71460560011
oct405100246
9152722173
1068452518
1135704432
121ab11886
1311249364
14913c378
156022363
hex41480a6

68452518 has 8 divisors (see below), whose sum is σ = 136905048. Its totient is φ = 22817504.

The previous prime is 68452513. The next prime is 68452519. The reversal of 68452518 is 81525486.

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

68452518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68452513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5704371 + ... + 5704382.

It is an arithmetic number, because the mean of its divisors is an integer number (17113131).

Almost surely, 268452518 is an apocalyptic number.

68452518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68452518 is a wasteful number, since it uses less digits than its factorization.

68452518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11408758.

The product of its digits is 76800, while the sum is 39.

The square root of 68452518 is about 8273.6036888408. The cubic root of 68452518 is about 409.0689123347.

The spelling of 68452518 in words is "sixty-eight million, four hundred fifty-two thousand, five hundred eighteen".

Divisors: 1 2 3 6 11408753 22817506 34226259 68452518