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28126264 = 233515783
BaseRepresentation
bin110101101001…
…0110000111000
31221220221222111
41223102300320
524200020024
62442502104
7461032525
oct153226070
957827874
1028126264
1114970751
129504934
135a9a17a
143a4214c
152708a94
hex1ad2c38

28126264 has 8 divisors (see below), whose sum is σ = 52736760. Its totient is φ = 14063128.

The previous prime is 28126261. The next prime is 28126297. The reversal of 28126264 is 46262182.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28126261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1757884 + ... + 1757899.

It is an arithmetic number, because the mean of its divisors is an integer number (6592095).

Almost surely, 228126264 is an apocalyptic number.

It is an amenable number.

28126264 is a deficient number, since it is larger than the sum of its proper divisors (24610496).

28126264 is a wasteful number, since it uses less digits than its factorization.

28126264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515789 (or 3515785 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 28126264 is about 5303.4200286230. The cubic root of 28126264 is about 304.1146555050.

The spelling of 28126264 in words is "twenty-eight million, one hundred twenty-six thousand, two hundred sixty-four".

Divisors: 1 2 4 8 3515783 7031566 14063132 28126264