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68677250 = 253274709
BaseRepresentation
bin1000001011111…
…10111010000010
311210020011110212
410011332322002
5120040133000
610451554122
71462514135
oct405767202
9153204425
1068677250
1135848264
121abbb942
13112c7735
14919a21c
156068c35
hex417ee82

68677250 has 16 divisors (see below), whose sum is σ = 128564280. Its totient is φ = 27470800.

The previous prime is 68677223. The next prime is 68677283. The reversal of 68677250 is 5277686.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18309841 + 50367409 = 4279^2 + 7097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68677198 and 68677207.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 137105 + ... + 137604.

Almost surely, 268677250 is an apocalyptic number.

68677250 is a deficient number, since it is larger than the sum of its proper divisors (59887030).

68677250 is a wasteful number, since it uses less digits than its factorization.

68677250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274726 (or 274716 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 68677250 is about 8287.1738246522. The cubic root of 68677250 is about 409.5160858232.

The spelling of 68677250 in words is "sixty-eight million, six hundred seventy-seven thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 274709 549418 1373545 2747090 6867725 13735450 34338625 68677250