Search a number
-
+
1025069946 = 234116072593
BaseRepresentation
bin111101000110010…
…101001101111010
32122102211221121120
4331012111031322
54044404214241
6245414450110
734254644055
oct7506251572
92572757546
101025069946
1148669724a
12247363936
131344a7184
149a1d5a9c
155eed4666
hex3d19537a

1025069946 has 32 divisors (see below), whose sum is σ = 2102260608. Its totient is φ = 333020160.

The previous prime is 1025069933. The next prime is 1025069971. The reversal of 1025069946 is 6499605201.

It is a happy number.

It is a super-3 number, since 3×10250699463 (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1025069898 and 1025069907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394026 + ... + 396618.

It is an arithmetic number, because the mean of its divisors is an integer number (65695644).

Almost surely, 21025069946 is an apocalyptic number.

1025069946 is an abundant number, since it is smaller than the sum of its proper divisors (1077190662).

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

1025069946 is a wasteful number, since it uses less digits than its factorization.

1025069946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1025069946 is about 32016.7135415239. The cubic root of 1025069946 is about 1008.2877717516.

The spelling of 1025069946 in words is "one billion, twenty-five million, sixty-nine thousand, nine hundred forty-six".

Divisors: 1 2 3 6 41 82 123 246 1607 2593 3214 4821 5186 7779 9642 15558 65887 106313 131774 197661 212626 318939 395322 637878 4166951 8333902 12500853 25001706 170844991 341689982 512534973 1025069946