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68471152 = 245972533
BaseRepresentation
bin1000001010011…
…00100101110000
311202211200202121
410011030211300
5120012034102
610443324024
71460665231
oct405144560
9152750677
1068471152
1135717432
121ab20614
1311254999
149145088
156027b37
hex414c970

68471152 has 20 divisors (see below), whose sum is σ = 134913240. Its totient is φ = 33654848.

The previous prime is 68471149. The next prime is 68471159. The reversal of 68471152 is 25117486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68471159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35323 + ... + 37210.

It is an arithmetic number, because the mean of its divisors is an integer number (6745662).

Almost surely, 268471152 is an apocalyptic number.

It is an amenable number.

68471152 is a deficient number, since it is larger than the sum of its proper divisors (66442088).

68471152 is a wasteful number, since it uses less digits than its factorization.

68471152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72600 (or 72594 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 68471152 is about 8274.7297236828. The cubic root of 68471152 is about 409.1060275924.

The spelling of 68471152 in words is "sixty-eight million, four hundred seventy-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 59 118 236 472 944 72533 145066 290132 580264 1160528 4279447 8558894 17117788 34235576 68471152