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10422287 = 48721401
BaseRepresentation
bin100111110000…
…100000001111
3201121111200122
4213300200033
510132003122
61011215155
7154405451
oct47604017
921544618
1010422287
115979467
1235a74bb
13220bb45
1415542d1
15dad142
hex9f080f

10422287 has 4 divisors (see below), whose sum is σ = 10444176. Its totient is φ = 10400400.

The previous prime is 10422263. The next prime is 10422301. The reversal of 10422287 is 78222401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78222401 = 90786243.

It is a cyclic number.

It is not a de Polignac number, because 10422287 - 28 = 10422031 is a prime.

It is a super-3 number, since 3×104222873 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10422787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10214 + ... + 11187.

It is an arithmetic number, because the mean of its divisors is an integer number (2611044).

Almost surely, 210422287 is an apocalyptic number.

10422287 is a deficient number, since it is larger than the sum of its proper divisors (21889).

10422287 is an equidigital number, since it uses as much as digits as its factorization.

10422287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21888.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 10422287 is about 3228.3567027204. The cubic root of 10422287 is about 218.4343876292.

Adding to 10422287 its reverse (78222401), we get a palindrome (88644688).

The spelling of 10422287 in words is "ten million, four hundred twenty-two thousand, two hundred eighty-seven".

Divisors: 1 487 21401 10422287