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42422650 = 25217291721
BaseRepresentation
bin1010000111010…
…1000101111010
32221211021221021
42201311011322
541330011100
64113133054
71023405124
oct241650572
987737837
1042422650
1121a45846
121225a18a
138a3447a
1458c4214
153acea1a
hex287517a

42422650 has 48 divisors (see below), whose sum is σ = 86478840. Its totient is φ = 15411200.

The previous prime is 42422641. The next prime is 42422669. The reversal of 42422650 is 5622424.

42422650 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 12 ways, for example, as 11029041 + 31393609 = 3321^2 + 5603^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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, 23790 + ... + 25510.

Almost surely, 242422650 is an apocalyptic number.

42422650 is an abundant number, since it is smaller than the sum of its proper divisors (44056190).

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

42422650 is a wasteful number, since it uses less digits than its factorization.

42422650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42422650 is about 6513.2672292790. The cubic root of 42422650 is about 348.7647613044.

The spelling of 42422650 in words is "forty-two million, four hundred twenty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 17 25 29 34 50 58 85 145 170 290 425 493 725 850 986 1450 1721 2465 3442 4930 8605 12325 17210 24650 29257 43025 49909 58514 86050 99818 146285 249545 292570 499090 731425 848453 1247725 1462850 1696906 2495450 4242265 8484530 21211325 42422650