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445030102 = 21188122961
BaseRepresentation
bin11010100001101…
…001111011010110
31011000101212112101
4122201221323112
51402411430402
6112054312314
714012456566
oct3241517326
91130355471
10445030102
11209231780
1210505869a
137127982a
1443166da6
152910ab87
hex1a869ed6

445030102 has 16 divisors (see below), whose sum is σ = 729089424. Its totient is φ = 202048000.

The previous prime is 445030093. The next prime is 445030109. The reversal of 445030102 is 201030544.

It is a super-2 number, since 2×4450301022 = 396103583372260808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445030102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445030109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7902 + ... + 30862.

It is an arithmetic number, because the mean of its divisors is an integer number (45568089).

Almost surely, 2445030102 is an apocalyptic number.

445030102 is a deficient number, since it is larger than the sum of its proper divisors (284059322).

445030102 is a wasteful number, since it uses less digits than its factorization.

445030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 445030102 is about 21095.7365834900. The cubic root of 445030102 is about 763.4778865125.

Adding to 445030102 its reverse (201030544), we get a palindrome (646060646).

The spelling of 445030102 in words is "four hundred forty-five million, thirty thousand, one hundred two".

Divisors: 1 2 11 22 881 1762 9691 19382 22961 45922 252571 505142 20228641 40457282 222515051 445030102