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68516092 = 22109167941
BaseRepresentation
bin1000001010101…
…11100011111100
311202220222102001
410011113203330
5120020003332
610444312044
71461243241
oct405274374
9152828361
1068516092
1135748177
121ab42624
131126c288
1491575c8
1560360e7
hex41578fc

68516092 has 24 divisors (see below), whose sum is σ = 121857120. Its totient is φ = 33704640.

The previous prime is 68516087. The next prime is 68516101. The reversal of 68516092 is 29061586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72342 + ... + 73282.

It is an arithmetic number, because the mean of its divisors is an integer number (5077380).

Almost surely, 268516092 is an apocalyptic number.

It is an amenable number.

68516092 is a deficient number, since it is larger than the sum of its proper divisors (53341028).

68516092 is a wasteful number, since it uses less digits than its factorization.

68516092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 68516092 is about 8277.4447748082. Note that the first 3 decimals coincide. The cubic root of 68516092 is about 409.1955115260.

The spelling of 68516092 in words is "sixty-eight million, five hundred sixteen thousand, ninety-two".

Divisors: 1 2 4 109 167 218 334 436 668 941 1882 3764 18203 36406 72812 102569 157147 205138 314294 410276 628588 17129023 34258046 68516092