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68206452 = 22341157883
BaseRepresentation
bin1000001000010…
…11111101110100
311202100020122220
410010023331310
5114430101302
610433522340
71455513426
oct404137564
9152306586
1068206452
1135556576
121aa133b0
1311191362
1490b6816
155ec44bc
hex410bf74

68206452 has 48 divisors (see below), whose sum is σ = 164254272. Its totient is φ = 22014720.

The previous prime is 68206451. The next prime is 68206459. The reversal of 68206452 is 25460286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68206451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76803 + ... + 77685.

It is an arithmetic number, because the mean of its divisors is an integer number (3421964).

Almost surely, 268206452 is an apocalyptic number.

It is an amenable number.

68206452 is an abundant number, since it is smaller than the sum of its proper divisors (96047820).

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

68206452 is a wasteful number, since it uses less digits than its factorization.

68206452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 68206452 is about 8258.7197555069. The cubic root of 68206452 is about 408.5781643585.

The spelling of 68206452 in words is "sixty-eight million, two hundred six thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 41 82 123 157 164 246 314 471 492 628 883 942 1766 1884 2649 3532 5298 6437 10596 12874 19311 25748 36203 38622 72406 77244 108609 138631 144812 217218 277262 415893 434436 554524 831786 1663572 5683871 11367742 17051613 22735484 34103226 68206452