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28053414 = 2321558523
BaseRepresentation
bin110101100000…
…0111110100110
31221210021001100
41223000332212
524140202124
62441140530
7460310244
oct153007646
957707040
1028053414
1114920a44
12948a746
135a72c6c
143a23794
1526e21c9
hex1ac0fa6

28053414 has 12 divisors (see below), whose sum is σ = 60782436. Its totient is φ = 9351132.

The previous prime is 28053413. The next prime is 28053427. The reversal of 28053414 is 41435082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28053413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779244 + ... + 779279.

It is an arithmetic number, because the mean of its divisors is an integer number (5065203).

Almost surely, 228053414 is an apocalyptic number.

28053414 is an abundant number, since it is smaller than the sum of its proper divisors (32729022).

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

28053414 is a wasteful number, since it uses less digits than its factorization.

28053414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558531 (or 1558528 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 28053414 is about 5296.5473659734. The cubic root of 28053414 is about 303.8518654434.

Adding to 28053414 its reverse (41435082), we get a palindrome (69488496).

The spelling of 28053414 in words is "twenty-eight million, fifty-three thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 1558523 3117046 4675569 9351138 14026707 28053414