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268920798 = 23891393623
BaseRepresentation
bin10000000001110…
…110011111011110
3200202000120222120
4100001312133132
51022320431143
642403523410
76443534436
oct2001663736
9622016876
10268920798
111288871a3
1276089566
1343938843
1427a032c6
1518920383
hex100767de

268920798 has 32 divisors (see below), whose sum is σ = 547948800. Its totient is φ = 87971136.

The previous prime is 268920787. The next prime is 268920803. The reversal of 268920798 is 897029862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 268920798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72415 + ... + 76037.

It is an arithmetic number, because the mean of its divisors is an integer number (17123400).

Almost surely, 2268920798 is an apocalyptic number.

268920798 is an abundant number, since it is smaller than the sum of its proper divisors (279028002).

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

268920798 is a wasteful number, since it uses less digits than its factorization.

268920798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 268920798 is about 16398.8047735193. The cubic root of 268920798 is about 645.4681199997.

The spelling of 268920798 in words is "two hundred sixty-eight million, nine hundred twenty thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 89 139 178 267 278 417 534 834 3623 7246 10869 12371 21738 24742 37113 74226 322447 503597 644894 967341 1007194 1510791 1934682 3021582 44820133 89640266 134460399 268920798