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68776152 = 233171011669
BaseRepresentation
bin1000001100101…
…11000011011000
311210102012010220
410012113003120
5120101314102
610454040040
71463405364
oct406270330
9153365126
1068776152
11359055a5
121b049020
1311330763
1491c42a4
1560881bc
hex41970d8

68776152 has 64 divisors (see below), whose sum is σ = 183967200. Its totient is φ = 21350400.

The previous prime is 68776151. The next prime is 68776153. The reversal of 68776152 is 25167786.

It is an interprime number because it is at equal distance from previous prime (68776151) and next prime (68776153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68776151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40374 + ... + 42042.

Almost surely, 268776152 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 68776152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91983600).

68776152 is an abundant number, since it is smaller than the sum of its proper divisors (115191048).

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

68776152 is a wasteful number, since it uses less digits than its factorization.

68776152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1792 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 68776152 is about 8293.1388508815. The cubic root of 68776152 is about 409.7125726908.

The spelling of 68776152 in words is "sixty-eight million, seven hundred seventy-six thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 101 102 136 202 204 303 404 408 606 808 1212 1669 1717 2424 3338 3434 5007 5151 6676 6868 10014 10302 13352 13736 20028 20604 28373 40056 41208 56746 85119 113492 168569 170238 226984 337138 340476 505707 674276 680952 1011414 1348552 2022828 2865673 4045656 5731346 8597019 11462692 17194038 22925384 34388076 68776152