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26243028 = 2235721929
BaseRepresentation
bin110010000011…
…0111111010100
31211101021200000
41210012333110
523204234103
62334251300
7436030200
oct144067724
954337600
1026243028
11138a4859
128956b30
13558ac26
1436b1b00
152485aa3
hex1906fd4

26243028 has 216 divisors, whose sum is σ = 87141600. Its totient is φ = 6858432.

The previous prime is 26243017. The next prime is 26243039. The reversal of 26243028 is 82034262.

26243028 is a `hidden beast` number, since 2 + 624 + 30 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (26243017) and next prime (26243039).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 26242992 and 26243010.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 904918 + ... + 904946.

Almost surely, 226243028 is an apocalyptic number.

26243028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26243028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43570800).

26243028 is an abundant number, since it is smaller than the sum of its proper divisors (60898572).

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

26243028 is a wasteful number, since it uses less digits than its factorization.

26243028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 26243028 is about 5122.7949402645. The cubic root of 26243028 is about 297.1697835472.

The spelling of 26243028 in words is "twenty-six million, two hundred forty-three thousand, twenty-eight".