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10442215 = 57298349
BaseRepresentation
bin100111110101…
…010111100111
3201122112000201
4213311113213
510133122330
61011451331
7154520530
oct47652747
921575021
1010442215
115992433
1235b6b47
132217c34
14155b687
15db3eca
hex9f55e7

10442215 has 8 divisors (see below), whose sum is σ = 14320800. Its totient is φ = 7160352.

The previous prime is 10442213. The next prime is 10442231. The reversal of 10442215 is 51224401.

10442215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10442215 - 21 = 10442213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10442192 and 10442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10442213) 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, 149140 + ... + 149209.

It is an arithmetic number, because the mean of its divisors is an integer number (1790100).

Almost surely, 210442215 is an apocalyptic number.

10442215 is a deficient number, since it is larger than the sum of its proper divisors (3878585).

10442215 is an equidigital number, since it uses as much as digits as its factorization.

10442215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298361.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 10442215 is about 3231.4416287471. The cubic root of 10442215 is about 218.5735186104.

Adding to 10442215 its reverse (51224401), we get a palindrome (61666616).

It can be divided in two parts, 10 and 442215, that added together give a square (442225 = 6652).

The spelling of 10442215 in words is "ten million, four hundred forty-two thousand, two hundred fifteen".

Divisors: 1 5 7 35 298349 1491745 2088443 10442215