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11421078 = 231903513
BaseRepresentation
bin101011100100…
…010110010110
3210111020202220
4223210112112
510410433303
61044443210
7166035414
oct53442626
923436686
1011421078
1164a0909
1239a9506
13249b646
1417342b4
151009053
hexae4596

11421078 has 8 divisors (see below), whose sum is σ = 22842168. Its totient is φ = 3807024.

The previous prime is 11421077. The next prime is 11421079. The reversal of 11421078 is 87012411.

11421078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11421077) and next prime (11421079).

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

11421078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951751 + ... + 951762.

It is an arithmetic number, because the mean of its divisors is an integer number (2855271).

Almost surely, 211421078 is an apocalyptic number.

11421078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11421078 is a wasteful number, since it uses less digits than its factorization.

11421078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903518.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 11421078 is about 3379.5085441525. The cubic root of 11421078 is about 225.2003351532.

Adding to 11421078 its reverse (87012411), we get a palindrome (98433489).

The spelling of 11421078 in words is "eleven million, four hundred twenty-one thousand, seventy-eight".

Divisors: 1 2 3 6 1903513 3807026 5710539 11421078