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10442681 = 179227257
BaseRepresentation
bin100111110101…
…011110111001
3201122112122222
4213311132321
510133131211
61011453425
7154522064
oct47653671
921575588
1010442681
115992817
1235b7275
132218202
14155b8db
15db41db
hex9f57b9

10442681 has 8 divisors (see below), whose sum is σ = 10588320. Its totient is φ = 10298368.

The previous prime is 10442671. The next prime is 10442683. The reversal of 10442681 is 18624401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10442681 - 26 = 10442617 is a prime.

It is a super-2 number, since 2×104426812 = 218099172935522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10442681.

It is not an unprimeable number, because it can be changed into a prime (10442683) 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, 40505 + ... + 40761.

It is an arithmetic number, because the mean of its divisors is an integer number (1323540).

Almost surely, 210442681 is an apocalyptic number.

It is an amenable number.

10442681 is a deficient number, since it is larger than the sum of its proper divisors (145639).

10442681 is a wasteful number, since it uses less digits than its factorization.

10442681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 10442681 is about 3231.5137319838. The cubic root of 10442681 is about 218.5767699559.

The spelling of 10442681 in words is "ten million, four hundred forty-two thousand, six hundred eighty-one".

Divisors: 1 179 227 257 40633 46003 58339 10442681