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68560448 = 261197387
BaseRepresentation
bin1000001011000…
…10011001000000
311210000020020212
410011202121000
5120022413243
610445253252
71461516455
oct405423100
9153006225
1068560448
1135778530
121ab64228
1311286518
14916982c
156044318
hex4162640

68560448 has 28 divisors (see below), whose sum is σ = 148419312. Its totient is φ = 31163520.

The previous prime is 68560421. The next prime is 68560477. The reversal of 68560448 is 84406586.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47990 + ... + 49397.

Almost surely, 268560448 is an apocalyptic number.

It is an amenable number.

68560448 is an abundant number, since it is smaller than the sum of its proper divisors (79858864).

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

68560448 is a wasteful number, since it uses less digits than its factorization.

68560448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97410 (or 97400 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 68560448 is about 8280.1236705740. The cubic root of 68560448 is about 409.2837942456.

The spelling of 68560448 in words is "sixty-eight million, five hundred sixty thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 97387 194774 389548 779096 1071257 1558192 2142514 3116384 4285028 6232768 8570056 17140112 34280224 68560448