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28426411 = 133170537
BaseRepresentation
bin110110001110…
…0000010101011
31222111012201001
41230130002223
524234121121
62453135431
7463422556
oct154340253
958435631
1028426411
1115056202
12962a577
135b73980
143abd69d
152767991
hex1b1c0ab

28426411 has 8 divisors (see below), whose sum is σ = 31601024. Its totient is φ = 25392960.

The previous prime is 28426403. The next prime is 28426423. The reversal of 28426411 is 11462482.

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 28426411 - 23 = 28426403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28426411.

It is not an unprimeable number, because it can be changed into a prime (28426441) 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, 34866 + ... + 35671.

It is an arithmetic number, because the mean of its divisors is an integer number (3950128).

Almost surely, 228426411 is an apocalyptic number.

28426411 is a deficient number, since it is larger than the sum of its proper divisors (3174613).

28426411 is a wasteful number, since it uses less digits than its factorization.

28426411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70581.

The product of its digits is 3072, while the sum is 28.

The square root of 28426411 is about 5331.6424298709. The cubic root of 28426411 is about 305.1926078952.

Adding to 28426411 its reverse (11462482), we get a palindrome (39888893).

The spelling of 28426411 in words is "twenty-eight million, four hundred twenty-six thousand, four hundred eleven".

Divisors: 1 13 31 403 70537 916981 2186647 28426411