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28126362 = 23113159233
BaseRepresentation
bin110101101001…
…0110010011010
31221220222010010
41223102302122
524200020422
62442502350
7461033025
oct153226232
957828103
1028126362
1114970830
1295049b6
135a9a224
143a421bc
152708b0c
hex1ad2c9a

28126362 has 64 divisors (see below), whose sum is σ = 64696320. Its totient is φ = 8073600.

The previous prime is 28126361. The next prime is 28126363. The reversal of 28126362 is 26362182.

It is an interprime number because it is at equal distance from previous prime (28126361) and next prime (28126363).

It is not an unprimeable number, because it can be changed into a prime (28126361) 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 31 ways as a sum of consecutive naturals, for example, 120598 + ... + 120830.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 228126362 is an apocalyptic number.

28126362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28126362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32348160).

28126362 is an abundant number, since it is smaller than the sum of its proper divisors (36569958).

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

28126362 is a wasteful number, since it uses less digits than its factorization.

28126362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 6912, while the sum is 30.

The square root of 28126362 is about 5303.4292679360. The cubic root of 28126362 is about 304.1150087122.

The spelling of 28126362 in words is "twenty-eight million, one hundred twenty-six thousand, three hundred sixty-two".

Divisors: 1 2 3 6 11 22 31 33 59 62 66 93 118 177 186 233 341 354 466 649 682 699 1023 1298 1398 1829 1947 2046 2563 3658 3894 5126 5487 7223 7689 10974 13747 14446 15378 20119 21669 27494 40238 41241 43338 60357 79453 82482 120714 151217 158906 238359 302434 426157 453651 476718 852314 907302 1278471 2556942 4687727 9375454 14063181 28126362