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68565852 = 2235233067
BaseRepresentation
bin1000001011000…
…11101101011100
311210000111200000
410011203231130
5120023101402
610445334300
71461541305
oct405435534
9153014600
1068565852
11357815a3
121ab67390
1311288b14
14916b7ac
156045c1c
hex4163b5c

68565852 has 72 divisors (see below), whose sum is σ = 187614336. Its totient is φ = 21854448.

The previous prime is 68565841. The next prime is 68565853. The reversal of 68565852 is 25856586.

68565852 is a `hidden beast` number, since 6 + 8 + 565 + 85 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 68565798 and 68565807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68565853) 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 23 ways as a sum of consecutive naturals, for example, 20823 + ... + 23889.

Almost surely, 268565852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68565852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93807168).

68565852 is an abundant number, since it is smaller than the sum of its proper divisors (119048484).

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

68565852 is a wasteful number, since it uses less digits than its factorization.

68565852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109 (or 3095 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 68565852 is about 8280.4499877724. The cubic root of 68565852 is about 409.2945473429.

The spelling of 68565852 in words is "sixty-eight million, five hundred sixty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 81 92 108 138 162 207 243 276 324 414 486 621 828 972 1242 1863 2484 3067 3726 5589 6134 7452 9201 11178 12268 18402 22356 27603 36804 55206 70541 82809 110412 141082 165618 211623 248427 282164 331236 423246 496854 634869 745281 846492 993708 1269738 1490562 1904607 2539476 2981124 3809214 5713821 7618428 11427642 17141463 22855284 34282926 68565852