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68230264 = 238528783
BaseRepresentation
bin1000001000100…
…01110001111000
311202101110022211
410010101301320
5114431332024
610434224504
71455643024
oct404216170
9152343284
1068230264
1135572453
121aa25134
131119c14b
1490c1384
155ecb594
hex4111c78

68230264 has 8 divisors (see below), whose sum is σ = 127931760. Its totient is φ = 34115128.

The previous prime is 68230237. The next prime is 68230271. The reversal of 68230264 is 46203286.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264384 + ... + 4264399.

It is an arithmetic number, because the mean of its divisors is an integer number (15991470).

Almost surely, 268230264 is an apocalyptic number.

It is an amenable number.

68230264 is a deficient number, since it is larger than the sum of its proper divisors (59701496).

68230264 is a wasteful number, since it uses less digits than its factorization.

68230264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528789 (or 8528785 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 68230264 is about 8260.1612575058. The cubic root of 68230264 is about 408.6257059571.

The spelling of 68230264 in words is "sixty-eight million, two hundred thirty thousand, two hundred sixty-four".

Divisors: 1 2 4 8 8528783 17057566 34115132 68230264