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26764530 = 2351325279
BaseRepresentation
bin110011000011…
…0010011110010
31212100210000220
41212012103302
523322431110
62353353510
7443331462
oct146062362
955323026
1026764530
1114120651
128b68896
135711400
1437a9ba2
15253a370
hex19864f2

26764530 has 48 divisors (see below), whose sum is σ = 69569280. Its totient is φ = 6586944.

The previous prime is 26764519. The next prime is 26764541. The reversal of 26764530 is 3546762.

It is an interprime number because it is at equal distance from previous prime (26764519) and next prime (26764541).

It is a super-2 number, since 2×267645302 = 1432680132241800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26764491 and 26764500.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2431 + ... + 7709.

It is an arithmetic number, because the mean of its divisors is an integer number (1449360).

Almost surely, 226764530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26764530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34784640).

26764530 is an abundant number, since it is smaller than the sum of its proper divisors (42804750).

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

26764530 is a wasteful number, since it uses less digits than its factorization.

26764530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 26764530 is about 5173.4446938186. Note that the first 3 decimals coincide. The cubic root of 26764530 is about 299.1253412742.

The spelling of 26764530 in words is "twenty-six million, seven hundred sixty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 5279 10558 15837 26395 31674 52790 68627 79185 137254 158370 205881 343135 411762 686270 892151 1029405 1784302 2058810 2676453 4460755 5352906 8921510 13382265 26764530