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61026788 = 22291733041
BaseRepresentation
bin1110100011001…
…1000111100100
311020211111000102
43220303013210
5111110324123
610020003232
71340501444
oct350630744
9136744012
1061026788
11314a2369
1218530518
13c849434
148168124
155557028
hex3a331e4

61026788 has 24 divisors (see below), whose sum is σ = 111154680. Its totient is φ = 29281280.

The previous prime is 61026781. The next prime is 61026799. The reversal of 61026788 is 88762016.

61026788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41242084 + 19784704 = 6422^2 + 4448^2 .

It is not an unprimeable number, because it can be changed into a prime (61026781) 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 7 ways as a sum of consecutive naturals, for example, 18548 + ... + 21588.

It is an arithmetic number, because the mean of its divisors is an integer number (4631445).

Almost surely, 261026788 is an apocalyptic number.

It is an amenable number.

61026788 is a deficient number, since it is larger than the sum of its proper divisors (50127892).

61026788 is a wasteful number, since it uses less digits than its factorization.

61026788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 61026788 is about 7811.9644136414. The cubic root of 61026788 is about 393.7073333125.

The spelling of 61026788 in words is "sixty-one million, twenty-six thousand, seven hundred eighty-eight".

Divisors: 1 2 4 29 58 116 173 346 692 3041 5017 6082 10034 12164 20068 88189 176378 352756 526093 1052186 2104372 15256697 30513394 61026788