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445028002 = 2317398327
BaseRepresentation
bin11010100001101…
…001011010100010
31011000101202122121
4122201221122202
51402411344002
6112054254454
714012450506
oct3241513242
91130352577
10445028002
11209230141
1210505742a
13712788a3
1443166306
152910a237
hex1a8696a2

445028002 has 16 divisors (see below), whose sum is σ = 698522112. Its totient is φ = 212384160.

The previous prime is 445027993. The next prime is 445028009. The reversal of 445028002 is 200820544.

It is a happy number.

It is a super-2 number, since 2×4450280022 = 396099845128224008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445028009) 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, 44638 + ... + 53689.

It is an arithmetic number, because the mean of its divisors is an integer number (43657632).

Almost surely, 2445028002 is an apocalyptic number.

445028002 is a deficient number, since it is larger than the sum of its proper divisors (253494110).

445028002 is a wasteful number, since it uses less digits than its factorization.

445028002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98433.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 445028002 is about 21095.6868103411. The cubic root of 445028002 is about 763.4766856154.

Adding to 445028002 its reverse (200820544), we get a palindrome (645848546).

The spelling of 445028002 in words is "four hundred forty-five million, twenty-eight thousand, two".

Divisors: 1 2 31 62 73 146 2263 4526 98327 196654 3048137 6096274 7177871 14355742 222514001 445028002