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68764132 = 2217191033
BaseRepresentation
bin1000001100101…
…00000111100100
311210101120122201
410012110013210
5120100423012
610453504244
71463325343
oct406240744
9153346581
1068764132
11358a7568
121b042084
1311328148
1491bdb5a
156084857
hex41941e4

68764132 has 6 divisors (see below), whose sum is σ = 120337238. Its totient is φ = 34382064.

The previous prime is 68764123. The next prime is 68764147. The reversal of 68764132 is 23146786.

It can be written as a sum of positive squares in only one way, i.e., 56190016 + 12574116 = 7496^2 + 3546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68764091 and 68764100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8595513 + ... + 8595520.

Almost surely, 268764132 is an apocalyptic number.

It is an amenable number.

68764132 is a deficient number, since it is larger than the sum of its proper divisors (51573106).

68764132 is a wasteful number, since it uses less digits than its factorization.

68764132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17191037 (or 17191035 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 68764132 is about 8292.4141237640. The cubic root of 68764132 is about 409.6887028274.

The spelling of 68764132 in words is "sixty-eight million, seven hundred sixty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 17191033 34382066 68764132