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10018442 = 272102229
BaseRepresentation
bin100110001101…
…111010001010
3200211222201102
4212031322022
510031042232
6554421402
7151104200
oct46157212
920758642
1010018442
115723005
123431862
1320ca095
14148b070
15d2d662
hex98de8a

10018442 has 12 divisors (see below), whose sum is σ = 17481330. Its totient is φ = 4293576.

The previous prime is 10018433. The next prime is 10018471. The reversal of 10018442 is 24481001.

10018442 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 only one way, i.e., 8116801 + 1901641 = 2849^2 + 1379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51017 + ... + 51212.

Almost surely, 210018442 is an apocalyptic number.

10018442 is a deficient number, since it is larger than the sum of its proper divisors (7462888).

10018442 is a wasteful number, since it uses less digits than its factorization.

10018442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102245 (or 102238 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 10018442 is about 3165.1922532447. The cubic root of 10018442 is about 215.5758279529.

Adding to 10018442 its reverse (24481001), we get a palindrome (34499443).

The spelling of 10018442 in words is "ten million, eighteen thousand, four hundred forty-two".

Divisors: 1 2 7 14 49 98 102229 204458 715603 1431206 5009221 10018442