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68763256 = 2347199919
BaseRepresentation
bin1000001100100…
…11111001111000
311210101112110021
410012103321320
5120100411011
610453500224
71463322652
oct406237170
9153345407
1068763256
11358a6941
121b041674
1311327923
1491bd6d2
156084471
hex4193e78

68763256 has 32 divisors (see below), whose sum is σ = 132480000. Its totient is φ = 33444576.

The previous prime is 68763241. The next prime is 68763257. The reversal of 68763256 is 65236786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68763257) 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 7 ways as a sum of consecutive naturals, for example, 74365 + ... + 75283.

It is an arithmetic number, because the mean of its divisors is an integer number (4140000).

Almost surely, 268763256 is an apocalyptic number.

It is an amenable number.

68763256 is a deficient number, since it is larger than the sum of its proper divisors (63716744).

68763256 is a wasteful number, since it uses less digits than its factorization.

68763256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1167 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 68763256 is about 8292.3613042366. The cubic root of 68763256 is about 409.6869631180.

The spelling of 68763256 in words is "sixty-eight million, seven hundred sixty-three thousand, two hundred fifty-six".

Divisors: 1 2 4 8 47 94 188 199 376 398 796 919 1592 1838 3676 7352 9353 18706 37412 43193 74824 86386 172772 182881 345544 365762 731524 1463048 8595407 17190814 34381628 68763256