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68473652 = 22131316801
BaseRepresentation
bin1000001010011…
…01001100110100
311202211211012012
410011031030310
5120012124102
610443343352
71461005432
oct405151464
9152754165
1068473652
11357192a5
121ab21b58
1311255b70
149145d52
156028752
hex414d334

68473652 has 12 divisors (see below), whose sum is σ = 129046596. Its totient is φ = 31603200.

The previous prime is 68473633. The next prime is 68473667. The reversal of 68473652 is 25637486.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43112356 + 25361296 = 6566^2 + 5036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658349 + ... + 658452.

It is an arithmetic number, because the mean of its divisors is an integer number (10753883).

Almost surely, 268473652 is an apocalyptic number.

It is an amenable number.

68473652 is a deficient number, since it is larger than the sum of its proper divisors (60572944).

68473652 is a wasteful number, since it uses less digits than its factorization.

68473652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316818 (or 1316816 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 68473652 is about 8274.8807846397. The cubic root of 68473652 is about 409.1110065877. Note that the first 3 decimals are identical.

The spelling of 68473652 in words is "sixty-eight million, four hundred seventy-three thousand, six hundred fifty-two".

Divisors: 1 2 4 13 26 52 1316801 2633602 5267204 17118413 34236826 68473652